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Table of Contents

Comprehensive Truck Size and Weight Limits Study - Bridge Structure Comparative Analysis Technical Report

Appendix C: Load Ratings and Analysis

LOAD RATING RESULTS

Table STR-1: Flexural Rating Result Statistics (GFB and Truss Bridges Not Included)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.782 2.526 2.387 2.214 3.279 2.805 2.851 2.202
MAX 8.429 7.725 7.526 6.969 8.350 7.465 7.698 5.871
MIN 0.715 0.649 0.589 0.545 0.817 0.751 0.684 0.554
TOTAL 463 463 463 463 463 463 463 463
# RF < 1.0 12 16 25 33 2 12 3 22
IHS BRIDGES AVERAGE 2.915 2.645 2.515 2.335 3.361 2.917 2.870 2.235
MAX 8.337 7.598 7.461 6.943 8.350 7.430 7.023 5.641
MIN 0.715 0.649 0.631 0.583 0.817 0.751 0.684 0.554
TOTAL 150 150 150 150 150 150 150 150
# RF < 1.0 4 4 4 5 2 4 2 7
OTHER BRIDGES ON THE NHS AVERAGE 2.718 2.469 2.325 2.156 3.239 2.752 2.842 2.186
MAX 8.429 7.725 7.526 6.969 8.329 7.465 7.698 5.871
MIN 0.748 0.675 0.589 0.545 1.068 0.824 0.971 0.750
TOTAL 313 313 313 313 313 313 313 313
# RF < 1.0 8 12 21 28 0 8 1 15

 

Table STR-2: Shear Rating Result Statistics (GFB and Truss Bridges Not Included)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.816 3.442 3.228 2.984 4.591 3.862 4.094 3.133
MAX 19.86 18.06 17.38 16.06 28.07 22.55 26.26 20.10
MIN 0.707 0.626 0.591 0.541 0.806 0.728 0.660 0.516
TOTAL 463 463 463 463 463 463 463 463
# RF < 1.0 4 7 8 10 1 2 3 8
IHS BRIDGES AVERAGE 3.679 3.319 3.106 2.876 4.330 3.697 3.806 2.911
MAX 13.58 12.27 11.73 10.99 15.40 13.70 13.12 9.35
MIN 0.997 0.896 0.837 0.781 1.136 1.014 0.922 0.723
TOTAL 150 150 150 150 150 150 150 150
# RF < 1.0 1 1 1 2 0 0 1 3
OTHER BRIDGES ON THE NHS AVERAGE 3.881 3.501 3.286 3.036 4.715 3.941 4.232 3.240
MAX 19.86 18.06 17.38 16.06 28.07 22.55 26.26 20.10
MIN 0.707 0.626 0.591 0.541 0.806 0.728 0.660 0.516
TOTAL 313 313 313 313 313 313 313 313
# RF < 1.0 3 6 7 8 1 2 2 5

Figure STR-1: Comparison of average flexural rating factors for different truck types.

Average flexural rating factors for each truck are illustrated in the graph. These figures show that flexure tends to yield lower rating factors compared to shear.

Figure STR-2: Comparison of average shear rating factors for different truck types.

Average shear rating factors for each truck are illustrated in the graph. These figures show that flexure tends to yield lower rating factors compared to shear.

COMPARISONS OF BASELINE TRUCKS WITH OTHER VEHICLES (FLEXURAL)

Figure STR-3: Comparison of flexural rating factors for all bridges (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-4: Comparison of flexural rating factors for all bridges (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-5: Comparison of flexural rating factors for IHS bridges (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-6: Comparison of flexural rating factors for IHS bridges (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-7: Comparison of flexural rating factors for other bridges on the NHS (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-8: Comparison of flexural rating factors for other bridges on the NHS (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

COMPARISONS OF BASELINE TRUCKS WITH OTHER VEHICLES (SHEAR)

Figure STR-9: Comparison of shear rating factors for all bridges (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-10: Comparison of shear rating factors for all bridges (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-11: Comparison of shear rating factors for IHS bridges (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-12: Comparison of shear rating factors for IHS bridges (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-13: Comparison of shear rating factors for other bridges on the NHS (compared with 3-S2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

Figure STR-14: Comparison of shear rating factors for other bridges on the NHS (compared with 2-S1-2)

Comparisons of the 2-S1-2 control vehicle and Scenarios 4, 5 and 6 show more scatter compared to the first group of trucks (3-S2 and, Scenarios 1, 2 and 3) for both flexure and shear, and this effect is much more pronounced in the shear ratings.

CUMULATIVE FREQUENCY DISTRIBUTION FUNCTIONS FOR RATING RESULTS (ALL BRIDGES)

Figure STR-15: Cumulative distribution of flexural rating factors of all bridges (3-S2, Scenarios 1-3).

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-16: Cumulative distribution of flexural rating factors of all bridges (2-S1-2, Scenarios 4-6)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-17: Cumulative distribution of shear rating factors of all bridges (3-S2, Scenarios 1 - 3)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-18: Cumulative distribution of shear rating factors of all bridges (2-S1-2, Scenarios 4 - 6).

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

CUMULATIVE FREQUENCY DISTRIBUTION FUNCTIONS FOR RATING RESULTS (INTERSTATE BRIDGES)

Figure STR-19: Cumulative distribution of flexural rating factors of IHS bridges (3-S2, Scenarios 1 - 3)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-20: Cumulative distribution of flexural rating factors of IHS bridges (2-S1-2, Scenarios 4 - 6)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-21: Cumulative distribution of shear rating factors of IHS bridges (3-S2, Scenarios 1 - 3)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-22: Cumulative distribution of shear rating factors of IHS bridges (2-S1-2, Scenarios 4 - 6)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

CUMULATIVE FREQUENCY DISTRIBUTION FUNCTIONS FOR RATING RESULTS (OTHER BRIDGES ON THE NHS)

Figure STR-23: Cumulative distribution of flexural rating factors of other bridges on the NHS (3-S2, Scenarios 1-3)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-24: Cumulative distribution of flexural rating factors of other bridges on the NHS (2-S1-2, Scenarios 4 - 6)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-25: Cumulative distribution of shear rating factors of other bridges on the NHS (3-S2, Scenarios 1 - 3)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

Figure STR-26: Cumulative distribution of shear rating factors of other bridges on the NHS (2-S1-2, Scenarios 4 - 6)

It was observed that Scenarios 1, 2, and 3 result in consistently lower flexure and shear ratings than the 3-S2 control vehicle, where Scenario 1 yields the highest and Scenario 3 yields the lowest RF among the three while Scenario 2 yields RFs in between.

DISTRIBUTION OF NORMALIZED RATING RESULTS (ALL BRIDGES)

Figure STR-27: Distribution of normalized flexural rating factors for all bridges (3-S2, Scenario #1, #2 and #3)

A distribution of normalized RFs for each truck group were constructed for both flexure and shear cases. The frequency of distribution of normalized flexural rating factors for all bridges ranges from 53% to 94% with a flexural RF of 0.70 to 0.95, as normalized by 3-S2 control vehicle.

Figure STR-28: Distribution of normalized flexural rating factors for all bridges (2-S1-2, Scenario #4, #5 and #6)

A distribution of normalized RFs for each truck group were constructed for both flexure and shear cases. The frequency of distribution of normalized flexural rating factors for all bridges ranges from 3% to 66% with a flexural RF of 0.50 to 0.95, as normalized by 2-S1-2 control vehicle.

Figure STR-29: Distribution of normalized shear rating factors for all bridges (3-S2, Scenario #1, #2 and #3)

A distribution of normalized RFs for each truck group were constructed for both flexure and shear cases. The frequency of distribution of normalized shear rating factors for all bridges ranges from 13% to 60% with a flexural RF of 0.70 to 0.95, as normalized by 3-S2 control vehicle.

Figure STR-30: Distribution of normalized shear rating factors for all bridges (2-S1-2, Scenario #4, #5 and #6)

A distribution of normalized RFs for each truck group were constructed for both flexure and shear cases. The frequency of distribution of normalized shear rating factors for all bridges ranges from 1% to 54% with a flexural RF of 0.55 to 1.00, as normalized by 2-S1-2 control vehicle.

DISTRIBUTION OF NORMALIZED RATING RESULTS (IHS BRIDGES)

Figure STR-31: Distribution of normalized flexural rating factors for IHS Bridges (3-S2, Scenario #1, #2 and #3)

The frequency of distribution of normalized flexural rating factors for IHS bridges ranges from 1% to 91% with a flexural RF of 0.60 to 1.00, as normalized by 3-S2 control vehicle.

Figure STR-32: Distribution of normalized flexural rating factors for IHS bridges (2-S1-2, Scenario #4, #5 and #6).

The frequency of distribution of normalized flexural rating factors for IHS bridges ranges from 5% to 71% with a flexural RF of 0.50 to 0.95, as normalized by 2-S1-2 control vehicle.

Figure STR-33: Distribution of normalized shear rating factors for IHS Bridges (3-S2, Scenario #1, #2 and #3)

The frequency of distribution of normalized shear rating factors for IHS bridges ranges from 12% to 66% with a flexural RF of 0.70 to 0.95, as normalized by 3-S2 control vehicle.

Figure STR-34: Distribution of normalized shear rating factors for IHS bridges (2-S1-2, Scenario #4, #5 and #6)

The frequency of distribution of normalized shear rating factors for IHS bridges ranges from 8% to 55% with a flexural RF of 0.55 to 1.00, as normalized by 2-S1-2 control vehicle.

DISTRIBUTION OF NORMALIZED RATING RESULTS (OTHER BRIDGES
ON THE NHS)

Figure STR-35: Distribution of normalized flexural rating factors for other bridges on the NHS (3-S2, Scenario #1, #2 and #3)

The frequency of distribution of normalized flexural rating factors for other NHS bridges ranges from 1% to 95% with a flexural RF of 0.65 to 0.95, as normalized by 3-S2 control vehicle.

Figure STR-36: Distribution of normalized flexural rating factors for other bridges on the NHS (2-S1-2, Scenario #4, #5 and #6)

The frequency of distribution of normalized flexural rating factors for other NHS bridges ranges from 2% to 64% with a flexural RF of 0.50 to 1.00, as normalized by 2-S1-2 control vehicle.

Figure STR-37: Distribution of normalized shear rating factors for other bridges on the NHS (3-S2, Scenario #1, #2 and #3)

The frequency of distribution of normalized shear rating factors for other NHS bridges ranges from 1% to 56% with a flexural RF of 0.55 to 0.95, as normalized by 3-S2 control vehicle.

Figure STR-38: Distribution of normalized shear rating factors for other bridges on the NHS (2-S1-2, Scenario #4, #5 and #6)

The frequency of distribution of normalized shear rating factors for other NHS bridges ranges from 1% to 58% with a flexural RF of 0.50 to 1.00, as normalized by 2-S1-2 control vehicle.

LOAD RATING RESULTS FOR BRIDGE TYPES

Table STR-3: Flexural Rating Result Statistics for Reinforced Concrete Slabs
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 1.999 1.798 1.611 1.489 2.903 2.231 2.618 2.141
MAX 3.044 2.747 2.620 2.423 4.839 3.415 4.284 3.591
MIN 0.804 0.730 0.631 0.583 1.186 0.888 1.092 0.852
TOTAL 58 58 58 58 58 58 58 58
# RF < 1.0 4 5 8 10 0 3 0 4
IHS BRIDGES AVERAGE 1.974 1.770 1.615 1.493 2.824 2.277 2.538 2.098
MAX 2.634 2.372 2.138 1.975 4.055 3.219 3.591 3.292
MIN 0.821 0.739 0.631 0.583 1.187 0.888 1.092 0.852
TOTAL 18 18 18 18 18 18 18 18
# RF < 1.0 2 2 2 2 0 2 0 2
OTHER BRIDGES ON THE NHS AVERAGE 2.011 1.811 1.610 1.487 2.939 2.211 2.654 2.161
MAX 3.044 2.747 2.620 2.423 4.839 3.415 4.284 3.591
MIN 0.804 0.730 0.659 0.608 1.186 0.953 1.093 0.860
TOTAL 40 40 40 40 40 40 40 40
# RF < 1.0 2 3 6 8 0 1 0 2

 

Table STR-4: Shear Rating Result Statistics for Reinforced Concrete Slabs
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.969 3.565 3.339 3.060 5.517 4.302 5.094 4.029
MAX 18.57 16.74 15.42 14.25 25.68 19.75 23.68 20.10
MIN 1.619 1.425 1.335 1.190 2.254 1.855 2.089 1.606
TOTAL 58 58 58 58 58 58 58 58
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 3.555 3.204 3.018 2.761 4.834 3.856 4.475 3.413
MAX 6.52 5.85 5.67 5.18 8.98 7.18 8.45 6.29
MIN 1.619 1.425 1.335 1.190 2.407 1.911 2.229 1.606
TOTAL 18 18 18 18 18 18 18 18
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 4.155 3.728 3.484 3.194 5.824 4.503 5.372 4.307
MAX 18.57 16.74 15.42 14.25 25.68 19.75 23.68 20.10
MIN 1.769 1.609 1.485 1.372 2.254 1.855 2.089 1.667
TOTAL 40 40 40 40 40 40 40 40
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-5: Flexural Rating Result Statistics for Prestressed Concrete Beam/Girders, Simple Spans
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.280 2.989 2.861 2.651 3.561 3.143 3.177 2.416
MAX 4.835 4.407 4.191 3.892 5.172 4.543 4.749 3.553
MIN 0.793 0.730 0.716 0.661 0.817 0.751 0.741 0.561
TOTAL 69 69 69 69 69 69 69 69
# RF < 1.0 1 1 1 2 1 1 1 2
IHS BRIDGES AVERAGE 3.257 2.968 2.836 2.628 3.534 3.136 3.136 2.390
MAX 4.739 4.303 4.191 3.892 4.803 4.178 4.294 3.211
MIN 0.793 0.730 0.716 0.661 0.817 0.751 0.741 0.561
TOTAL 30 30 30 30 30 30 30 30
# RF < 1.0 1 1 1 2 1 1 1 2
OTHER BRIDGES ON THE NHS AVERAGE 3.298 3.005 2.881 2.668 3.581 3.149 3.209 2.437
MAX 4.835 4.407 4.175 3.857 5.172 4.543 4.749 3.553
MIN 1.984 1.802 1.780 1.668 2.473 2.199 1.758 1.408
TOTAL 39 39 39 39 39 39 39 39
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-6: Shear Rating Result Statistics for Prestressed Concrete Beam/Girders, Simple Spans
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.434 3.098 2.868 2.659 3.905 3.363 3.458 2.623
MAX 7.44 6.72 5.97 5.53 8.00 6.74 7.29 5.48
MIN 1.721 1.549 1.459 1.342 1.934 1.625 1.526 1.231
TOTAL 69 69 69 69 69 69 69 69
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 3.179 2.868 2.665 2.469 3.597 3.101 3.171 2.412
MAX 6.96 6.20 5.67 5.26 8.00 6.74 6.76 5.09
MIN 1.721 1.549 1.459 1.342 1.934 1.625 1.526 1.231
TOTAL 30 30 30 30 30 30 30 30
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 3.630 3.275 3.023 2.805 4.142 3.565 3.678 2.786
MAX 7.44 6.72 5.97 5.53 7.82 6.71 7.29 5.48
MIN 1.877 1.714 1.538 1.424 2.005 1.714 1.862 1.414
TOTAL 39 39 39 39 39 39 39 39
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-7: Flexural Rating Result Statistics for Prestressed Concrete Beam/Girders, Continuous Spans
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.907 2.641 2.543 2.371 3.456 3.040 2.699 2.115
MAX 4.781 4.344 4.273 4.017 6.185 5.610 4.323 3.213
MIN 0.715 0.649 0.642 0.600 0.953 0.822 0.684 0.554
TOTAL 48 48 48 48 48 48 48 48
# RF < 1.0 1 1 2 2 1 2 2 2
IHS BRIDGES AVERAGE 2.978 2.706 2.616 2.444 3.733 3.313 2.754 2.168
MAX 4.781 4.344 4.273 4.017 6.185 5.610 3.997 3.213
MIN 0.715 0.649 0.642 0.600 0.953 0.822 0.684 0.554
TOTAL 16 16 16 16 16 16 16 16
# RF < 1.0 1 1 1 1 1 1 1 1
OTHER BRIDGES ON THE NHS AVERAGE 2.872 2.608 2.506 2.335 3.317 2.903 2.672 2.088
MAX 4.636 4.195 4.007 3.749 4.918 4.378 4.323 3.192
MIN 1.124 1.019 0.934 0.868 1.068 0.983 0.971 0.750
TOTAL 32 32 32 32 32 32 32 32
# RF < 1.0 0 0 1 1 0 1 1 1

 

Table STR-8: Shear Rating Result Statistics for Prestressed Concrete Beam/Girders, Continuous Spans
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.382 3.059 2.872 2.663 3.850 3.321 3.370 2.598
MAX 6.19 5.54 5.31 4.91 6.90 6.06 6.16 4.56
MIN 1.435 1.295 1.234 1.155 1.628 1.451 1.189 0.984
TOTAL 48 48 48 48 48 48 48 48
# RF < 1.0 0 0 0 0 0 0 0 1
IHS BRIDGES AVERAGE 3.261 2.948 2.735 2.535 3.609 3.116 3.150 2.435
MAX 6.19 5.54 5.31 4.91 6.90 6.06 5.86 4.55
MIN 1.435 1.295 1.234 1.155 1.628 1.451 1.189 0.984
TOTAL 16 16 16 16 16 16 16 16
# RF < 1.0 0 0 0 0 0 0 0 1
OTHER BRIDGES ON THE NHS AVERAGE 3.443 3.115 2.940 2.726 3.970 3.424 3.481 2.680
MAX 5.35 4.82 4.51 4.22 6.60 5.48 6.16 4.56
MIN 1.689 1.549 1.423 1.317 1.841 1.568 1.673 1.304
TOTAL 32 32 32 32 32 32 32 32
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-9: Flexural Rating Result Statistics for Steel Beam/Girder, Simple Span (L < 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.888 2.629 2.446 2.261 3.456 2.954 3.178 2.347
MAX 5.491 5.028 4.888 4.516 6.753 5.569 6.219 4.383
MIN 0.820 0.738 0.631 0.583 1.187 0.888 1.092 0.852
TOTAL 52 52 52 52 52 52 52 52
# RF < 1.0 2 2 4 4 0 2 0 2
IHS BRIDGES AVERAGE 3.360 3.057 2.847 2.633 3.854 3.337 3.538 2.633
MAX 5.491 5.028 4.888 4.516 5.786 5.202 5.340 4.065
MIN 2.332 2.109 1.852 1.711 2.407 2.146 2.124 1.662
TOTAL 14 14 14 14 14 14 14 14
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 2.715 2.472 2.298 2.124 3.309 2.812 3.045 2.242
MAX 4.871 4.422 4.030 3.723 6.753 5.569 6.219 4.383
MIN 0.820 0.738 0.631 0.583 1.187 0.888 1.092 0.852
TOTAL 38 38 38 38 38 38 38 38
# RF < 1.0 2 2 4 4 0 2 0 2

 

Table STR-10: Shear Rating Result Statistics for Steel Beam/Girder, Simple Span (L < 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 5.296 4.796 4.499 4.165 6.169 5.222 5.642 4.239
MAX 15.66 14.10 12.54 11.61 16.45 14.10 15.26 11.52
MIN 1.619 1.425 1.335 1.190 2.063 1.785 1.789 1.356
TOTAL 52 52 52 52 52 52 52 52
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 4.741 4.300 4.060 3.763 5.591 4.757 5.075 3.810
MAX 6.98 6.40 5.99 5.56 7.89 6.68 7.25 5.45
MIN 2.641 2.370 2.206 2.057 3.011 2.721 2.476 1.931
TOTAL 14 14 14 14 14 14 14 14
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 5.500 4.980 4.661 4.313 6.382 5.393 5.851 4.398
MAX 15.66 14.10 12.54 11.61 16.45 14.10 15.26 11.52
MIN 1.619 1.425 1.335 1.190 2.063 1.785 1.789 1.356
TOTAL 38 38 38 38 38 38 38 38
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-11: Flexural Rating Result Statistics for Steel Beam/Girder, Simple Span (L > 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.135 2.847 2.737 2.546 3.309 2.928 2.791 2.203
MAX 4.982 4.523 4.403 4.092 4.922 4.385 4.341 3.365
MIN 1.291 1.172 1.121 1.041 1.387 1.241 1.215 0.945
TOTAL 36 36 36 36 36 36 36 36
# RF < 1.0 0 0 0 0 0 0 0 3
IHS BRIDGES AVERAGE 3.253 2.955 2.854 2.655 3.382 2.998 2.853 2.255
MAX 4.982 4.523 4.403 4.092 4.922 4.385 4.284 3.365
MIN 1.335 1.211 1.196 1.120 1.819 1.563 1.237 0.996
TOTAL 19 19 19 19 19 19 19 19
# RF < 1.0 0 0 0 0 0 0 0 1
OTHER BRIDGES ON THE NHS AVERAGE 3.004 2.726 2.607 2.425 3.229 2.851 2.722 2.145
MAX 4.923 4.470 4.350 4.045 4.910 4.373 4.341 3.342
MIN 1.291 1.172 1.121 1.041 1.387 1.241 1.215 0.945
TOTAL 17 17 17 17 17 17 17 17
# RF < 1.0 0 0 0 0 0 0 0 2

 

Table STR-12: Shear Rating Result Statistics for Steel Beam/Girder, Simple Span (L > 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 4.014 3.613 3.393 3.159 4.634 4.085 3.794 2.968
MAX 13.58 12.27 11.73 10.99 15.40 13.70 13.12 9.35
MIN 0.707 0.635 0.591 0.552 0.806 0.728 0.660 0.516
TOTAL 36 36 36 36 36 36 36 36
# RF < 1.0 2 2 2 2 1 1 2 2
IHS BRIDGES AVERAGE 4.342 3.901 3.654 3.398 4.996 4.393 4.117 3.199
MAX 13.58 12.27 11.73 10.99 15.40 13.70 13.12 9.35
MIN 0.997 0.896 0.837 0.781 1.136 1.024 0.922 0.723
TOTAL 19 19 19 19 19 19 19 19
# RF < 1.0 1 1 1 1 0 0 1 1
OTHER BRIDGES ON THE NHS AVERAGE 3.648 3.290 3.102 2.892 4.229 3.742 3.433 2.710
MAX 6.86 6.17 5.81 5.44 7.81 7.04 6.61 4.96
MIN 0.707 0.635 0.591 0.552 0.806 0.728 0.660 0.516
TOTAL 17 17 17 17 17 17 17 17
# RF < 1.0 1 1 1 1 1 1 1 1

 

Table STR-13: Flexural Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L < 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.751 2.486 2.383 2.217 3.316 2.867 2.693 2.123
MAX 5.528 5.002 4.850 4.550 6.631 5.833 4.937 4.071
MIN 1.163 1.056 1.022 0.951 1.266 1.112 1.000 0.801
TOTAL 49 49 49 49 49 49 49 49
# RF < 1.0 0 0 0 1 0 0 0 1
IHS BRIDGES AVERAGE 2.486 2.238 2.133 1.983 3.025 2.544 2.460 1.910
MAX 3.586 3.259 3.178 2.958 4.077 3.536 3.702 2.607
MIN 1.570 1.423 1.421 1.330 1.832 1.640 1.422 1.163
TOTAL 21 21 21 21 21 21 21 21
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 2.950 2.672 2.570 2.393 3.535 3.110 2.868 2.282
MAX 5.528 5.002 4.850 4.550 6.631 5.833 4.937 4.071
MIN 1.163 1.056 1.022 0.951 1.266 1.112 1.000 0.801
TOTAL 28 28 28 28 28 28 28 28
# RF < 1.0 0 0 0 1 0 0 0 1

 

Table STR-14: Shear Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L < 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 4.599 4.161 3.884 3.599 5.140 4.414 4.607 3.543
MAX 7.97 7.12 6.50 6.05 8.82 7.68 7.59 5.79
MIN 1.417 1.265 1.142 1.061 1.703 1.398 1.448 1.094
TOTAL 49 49 49 49 49 49 49 49
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 4.614 4.167 3.888 3.605 5.266 4.517 4.671 3.580
MAX 7.97 7.12 6.50 6.05 8.82 7.68 7.59 5.79
MIN 1.588 1.426 1.328 1.239 1.811 1.636 1.486 1.160
TOTAL 21 21 21 21 21 21 21 21
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 4.587 4.157 3.880 3.595 5.045 4.337 4.558 3.515
MAX 7.59 6.76 6.24 5.77 8.30 7.14 7.42 5.63
MIN 1.417 1.265 1.142 1.061 1.703 1.398 1.448 1.094
TOTAL 28 28 28 28 28 28 28 28
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-15: Flexural Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L > 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.890 2.625 2.516 2.342 3.120 2.754 2.551 2.034
MAX 7.318 6.651 6.477 6.050 7.835 6.936 5.903 4.794
MIN 1.245 1.127 1.075 1.006 1.358 1.215 1.015 0.827
TOTAL 44 44 44 44 44 44 44 44
# RF < 1.0 0 0 0 0 0 0 0 1
IHS BRIDGES AVERAGE 2.739 2.483 2.349 2.191 2.945 2.598 2.403 1.938
MAX 4.366 3.957 3.713 3.468 4.560 4.134 3.638 2.922
MIN 1.245 1.127 1.075 1.006 1.358 1.215 1.015 0.827
TOTAL 11 11 11 11 11 11 11 11
# RF < 1.0 0 0 0 0 0 0 0 1
OTHER BRIDGES ON THE NHS AVERAGE 2.941 2.672 2.571 2.393 3.179 2.806 2.600 2.066
MAX 7.318 6.651 6.477 6.050 7.835 6.936 5.903 4.794
MIN 1.260 1.151 1.094 1.010 1.524 1.319 1.243 1.007
TOTAL 33 33 33 33 33 33 33 33
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-16: Shear Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L > 100 ft.)
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.351 3.020 2.835 2.640 3.847 3.392 3.178 2.495
MAX 8.37 7.56 7.21 6.76 9.47 8.44 7.82 5.72
MIN 1.609 1.444 1.343 1.253 1.822 1.579 1.509 1.176
TOTAL 44 44 44 44 44 44 44 44
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 2.916 2.617 2.441 2.274 3.345 2.957 2.764 2.152
MAX 3.90 3.50 3.27 3.05 4.36 3.95 3.56 2.79
MIN 2.023 1.819 1.705 1.593 2.279 2.054 1.829 1.438
TOTAL 11 11 11 11 11 11 11 11
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 3.496 3.154 2.966 2.762 4.014 3.537 3.317 2.610
MAX 8.37 7.56 7.21 6.76 9.47 8.44 7.82 5.72
MIN 1.609 1.444 1.343 1.253 1.822 1.579 1.509 1.176
TOTAL 33 33 33 33 33 33 33 33
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-17: LFR Rating Factors for Girder Floorbeam Systems
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.376 2.138 2.024 1.875 3.039 2.560 2.633 2.117
MAX 4.561 4.093 3.809 3.552 5.200 4.699 4.275 3.335
MIN 1.446 1.303 1.284 1.186 2.163 1.685 1.745 1.406
TOTAL 11 11 11 11 11 11 11 11
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 2.057 1.855 1.957 1.808 2.823 2.385 2.450 2.066
MAX 2.667 2.406 2.630 2.430 3.410 3.084 3.155 2.725
MIN 1.446 1.303 1.284 1.186 2.236 1.685 1.745 1.406
TOTAL 2 2 2 2 2 2 2 2
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 2.447 2.201 2.039 1.890 3.087 2.599 2.673 2.129
MAX 4.561 4.093 3.809 3.552 5.200 4.699 4.275 3.335
MIN 1.538 1.384 1.404 1.298 2.163 1.914 1.790 1.441
TOTAL 9 9 9 9 9 9 9 9
# RF < 1.0 0 0 0 0 0 0 0 0

NOTE: Rating factors determined based on the LFR methodology. Separate flexural/shear rating factors unavailable

 

Table STR-18: Flexural Rating Result Statistics for Reinforced Concrete Tee Beams
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 1.879 1.704 1.551 1.434 2.528 2.055 2.313 1.737
MAX 3.708 3.387 3.228 2.982 4.609 4.046 4.243 3.022
MIN 0.748 0.675 0.589 0.545 1.095 0.824 1.006 0.755
TOTAL 53 53 53 53 53 53 53 53
# RF < 1.0 4 7 10 13 0 4 0 7
IHS BRIDGES AVERAGE 2.418 2.195 2.049 1.898 3.055 2.586 2.753 2.079
MAX 3.708 3.387 3.228 2.982 4.609 4.046 4.243 3.007
MIN 1.508 1.364 1.230 1.136 1.886 1.726 1.625 1.308
TOTAL 11 11 11 11 11 11 11 11
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 1.738 1.575 1.420 1.312 2.390 1.916 2.198 1.647
MAX 3.097 2.811 2.526 2.334 4.282 3.616 3.740 3.022
MIN 0.748 0.675 0.589 0.545 1.095 0.824 1.006 0.755
TOTAL 42 42 42 42 42 42 42 42
# RF < 1.0 4 7 10 13 0 4 0 7

 

Table STR-19: Shear Rating Result Statistics for Reinforced Concrete Tee Beams
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.843 2.552 2.435 2.228 3.902 3.100 3.583 2.641
MAX 19.86 18.06 17.38 16.06 28.07 22.55 26.26 19.55
MIN 0.715 0.626 0.610 0.541 1.033 0.790 0.954 0.610
TOTAL 53 53 53 53 53 53 53 53
# RF < 1.0 2 5 6 8 0 1 1 5
IHS BRIDGES AVERAGE 2.770 2.496 2.359 2.169 3.507 2.893 3.144 2.360
MAX 4.57 4.17 4.08 3.77 5.88 4.91 5.52 4.04
MIN 1.111 1.015 1.008 0.932 1.198 1.014 1.065 0.844
TOTAL 11 11 11 11 11 11 11 11
# RF < 1.0 0 0 0 1 0 0 0 1
OTHER BRIDGES ON THE NHS AVERAGE 2.862 2.567 2.455 2.244 4.005 3.155 3.698 2.715
MAX 19.86 18.06 17.38 16.06 28.07 22.55 26.26 19.55
MIN 0.715 0.626 0.610 0.541 1.033 0.790 0.954 0.610
TOTAL 42 42 42 42 42 42 42 42
# RF < 1.0 2 5 6 7 0 1 1 4

 

Table STR-20: Flexural Rating Result Statistics for Box Beams
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.362 3.066 2.902 2.686 3.805 3.280 3.462 2.596
MAX 8.429 7.725 7.526 6.969 8.350 7.465 7.698 5.871
MIN 1.254 1.144 1.078 0.996 1.459 1.308 1.285 1.015
TOTAL 54 54 54 54 54 54 54 54
# RF < 1.0 0 0 0 1 0 0 0 0
IHS BRIDGES AVERAGE 3.869 3.519 3.400 3.157 3.983 3.530 3.460 2.714
MAX 8.337 7.598 7.461 6.943 8.350 7.430 7.023 5.641
MIN 1.542 1.405 1.392 1.293 1.563 1.390 1.285 1.047
TOTAL 10 10 10 10 10 10 10 10
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 3.247 2.963 2.789 2.579 3.765 3.223 3.463 2.569
MAX 8.429 7.725 7.526 6.969 8.329 7.465 7.698 5.871
MIN 1.254 1.144 1.078 0.996 1.459 1.308 1.349 1.015
TOTAL 44 44 44 44 44 44 44 44
# RF < 1.0 0 0 0 1 0 0 0 0

 

Table STR-21: Shear Rating Result Statistics for Box Beams
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 3.592 3.236 3.053 2.815 4.364 3.678 3.966 2.973
MAX 17.69 16.04 15.17 14.01 24.86 19.69 23.04 18.16
MIN 1.450 1.340 1.301 1.211 1.669 1.479 1.544 1.163
TOTAL 54 54 54 54 54 54 54 54
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 3.207 2.887 2.717 2.523 3.769 3.295 3.243 2.490
MAX 4.79 4.36 4.21 3.89 6.43 5.27 5.91 4.54
MIN 2.106 1.893 1.773 1.656 2.398 2.158 1.929 1.521
TOTAL 10 10 10 10 10 10 10 10
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 3.680 3.316 3.129 2.881 4.499 3.765 4.130 3.082
MAX 17.69 16.04 15.17 14.01 24.86 19.69 23.04 18.16
MIN 1.450 1.340 1.301 1.211 1.669 1.479 1.544 1.163
TOTAL 44 44 44 44 44 44 44 44
# RF < 1.0 0 0 0 0 0 0 0 0

 

Table STR-22: LFR Rating Factors for Through Trusses
Empty Cell 3-S2 Scenario #1 Scenario #2 Scenario #3 2-S1-2 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 2.982 2.696 2.552 2.381 3.339 2.981 2.570 2.100
MAX 6.849 6.181 5.875 5.499 7.777 6.937 5.738 4.761
MIN 1.745 1.571 1.485 1.371 1.932 1.710 1.511 1.236
TOTAL 16 16 16 16 16 16 16 16
# RF < 1.0 0 0 0 0 0 0 0 0
IHS BRIDGES AVERAGE 3.313 3.023 2.842 2.625 3.993 3.557 2.924 2.401
MAX 3.313 3.023 2.842 2.625 3.993 3.557 2.924 2.401
MIN 3.313 3.023 2.842 2.625 3.993 3.557 2.924 2.401
TOTAL 1 1 1 1 1 1 1 1
# RF < 1.0 0 0 0 0 0 0 0 0
OTHER BRIDGES ON THE NHS AVERAGE 2.960 2.674 2.532 2.364 3.296 2.942 2.547 2.080
MAX 6.849 6.181 5.875 5.499 7.777 6.937 5.738 4.761
MIN 1.745 1.571 1.485 1.371 1.932 1.710 1.511 1.236
TOTAL 15 15 15 15 15 15 15 15
# RF < 1.0 0 0 0 0 0 0 0 0

NOTE: Rating factors determined based on the LFR methodology.

 

NORMALIZED LOAD RATING RESULTS FOR BRIDGE TYPES

Table STR-23: Normalized Flexural Rating Result Statistics for Reinforced Concrete Slabs
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.904 0.825 0.764 0.823 0.890 0.694
MAX 0.918 0.895 0.838 0.915 0.928 0.759
MIN 0.879 0.743 0.686 0.702 0.665 0.546
COV [%] 0.8% 5.2% 5.5% 8.2% 6.2% 6.5%
IHS BRIDGES AVERAGE 0.904 0.814 0.752 0.811 0.914 0.696
MAX 0.913 0.885 0.820 0.893 0.927 0.752
MIN 0.884 0.743 0.686 0.702 0.887 0.648
COV [%] 0.7% 5.4% 5.5% 8.0% 1.2% 5.1%
OTHER BRIDGES ON THE NHS AVERAGE 0.904 0.830 0.769 0.829 0.879 0.693
MAX 0.918 0.895 0.838 0.915 0.928 0.759
MIN 0.879 0.768 0.710 0.710 0.665 0.546
COV [%] 0.8% 5.2% 5.6% 8.5% 7.0% 7.0%

 

Table STR-24: Normalized Shear Rating Result Statistics for Reinforced Concrete Slabs
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.901 0.846 0.780 0.821 0.903 0.696
MAX 0.917 0.919 0.912 0.906 0.950 0.779
MIN 0.880 0.790 0.728 0.726 0.809 0.612
COV [%] 1.2% 3.7% 4.5% 6.1% 4.2% 6.2%
IHS BRIDGES AVERAGE 0.897 0.847 0.774 0.804 0.916 0.682
MAX 0.917 0.907 0.838 0.906 0.950 0.761
MIN 0.880 0.819 0.747 0.760 0.828 0.612
COV [%] 1.2% 2.6% 2.9% 5.7% 3.5% 6.9%
OTHER BRIDGES ON THE NHS AVERAGE 0.902 0.846 0.782 0.829 0.898 0.703
MAX 0.917 0.919 0.912 0.904 0.946 0.779
MIN 0.884 0.790 0.728 0.726 0.809 0.633
COV [%] 1.2% 4.2% 5.1% 6.3% 4.3% 5.9%

 

Table STR-25: Normalized Flexural Rating Result Statistics for Prestressed Concrete Beam/Girders, Simple Spans
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.903 0.833 0.772 0.824 0.880 0.690
MAX 0.917 0.903 0.845 0.956 0.927 0.801
MIN 0.725 0.652 0.605 0.530 0.512 0.387
COV [%] 2.5% 5.5% 5.6% 9.7% 8.3% 9.3%
IHS BRIDGES AVERAGE 0.899 0.825 0.765 0.819 0.863 0.685
MAX 0.916 0.891 0.830 0.907 0.923 0.801
MIN 0.725 0.652 0.605 0.530 0.512 0.387
COV [%] 3.7% 6.2% 6.5% 10.9% 10.0% 10.9%
OTHER BRIDGES ON THE NHS AVERAGE 0.906 0.840 0.777 0.827 0.893 0.694
MAX 0.917 0.903 0.845 0.956 0.927 0.782
MIN 0.885 0.769 0.710 0.706 0.672 0.543
COV [%] 0.9% 4.8% 5.0% 8.8% 6.9% 8.0%

 

Table STR-26: Normalized Shear Rating Result Statistics for Prestressed Concrete Beam/Girders, Simple Spans
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.900 0.847 0.780 0.821 0.904 0.698
MAX 0.917 0.914 0.846 0.906 0.956 0.800
MIN 0.868 0.780 0.706 0.688 0.753 0.628
COV [%] 1.3% 4.1% 4.4% 6.8% 4.5% 7.5%
IHS BRIDGES AVERAGE 0.900 0.849 0.783 0.828 0.896 0.693
MAX 0.916 0.914 0.845 0.906 0.948 0.800
MIN 0.868 0.780 0.707 0.703 0.753 0.630
COV [%] 1.4% 4.2% 4.7% 7.4% 5.8% 7.3%
OTHER BRIDGES ON THE NHS AVERAGE 0.899 0.845 0.778 0.816 0.911 0.701
MAX 0.917 0.914 0.846 0.906 0.956 0.799
MIN 0.877 0.784 0.706 0.688 0.834 0.628
COV [%] 1.3% 4.1% 4.2% 6.3% 3.3% 7.8%

 

Table STR-27: Normalized Flexural Rating Result Statistics for Prestressed Concrete Beam/Girders, Continuous Spans
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.907 0.859 0.797 0.851 0.855 0.677
MAX 0.917 0.905 0.849 0.900 0.964 0.874
MIN 0.887 0.785 0.725 0.695 0.650 0.524
COV [%] 0.7% 4.2% 4.5% 6.0% 9.5% 10.8%
IHS BRIDGES AVERAGE 0.908 0.853 0.791 0.854 0.875 0.672
MAX 0.917 0.903 0.849 0.896 0.925 0.735
MIN 0.887 0.785 0.725 0.695 0.650 0.524
COV [%] 0.8% 4.6% 4.9% 7.0% 9.4% 8.2%
OTHER BRIDGES ON THE NHS AVERAGE 0.906 0.861 0.800 0.850 0.845 0.680
MAX 0.917 0.905 0.848 0.900 0.964 0.874
MIN 0.896 0.792 0.732 0.719 0.682 0.558
COV [%] 0.6% 4.0% 4.4% 5.5% 9.2% 12.0%

 

Table STR-28: Normalized Shear Rating Result Statistics for Prestressed Concrete Beam/Girders, Continuous Spans
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.904 0.847 0.786 0.854 0.884 0.685
MAX 0.924 0.914 0.844 0.909 0.986 0.792
MIN 0.892 0.799 0.740 0.758 0.727 0.601
COV [%] 1.0% 3.4% 3.3% 4.5% 7.6% 6.7%
IHS BRIDGES AVERAGE 0.904 0.848 0.787 0.851 0.879 0.676
MAX 0.924 0.914 0.844 0.900 0.954 0.792
MIN 0.892 0.811 0.753 0.758 0.727 0.601
COV [%] 1.2% 3.7% 3.7% 5.1% 7.9% 6.9%
OTHER BRIDGES ON THE NHS AVERAGE 0.904 0.847 0.785 0.855 0.887 0.689
MAX 0.917 0.911 0.840 0.909 0.986 0.759
MIN 0.892 0.799 0.740 0.781 0.756 0.624
COV [%] 0.8% 3.3% 3.1% 4.3% 7.7% 6.7%

 

Table STR-29: Normalized Flexural Rating Result Statistics for Steel Beam/Girder, Simple Span (L < 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.907 0.844 0.783 0.859 0.887 0.687
MAX 0.917 0.901 0.837 0.922 0.947 0.812
MIN 0.880 0.740 0.683 0.717 0.742 0.598
COV [%] 0.7% 5.3% 5.5% 6.5% 5.6% 5.2%
IHS BRIDGES AVERAGE 0.907 0.839 0.777 0.866 0.887 0.690
MAX 0.916 0.895 0.834 0.922 0.925 0.812
MIN 0.895 0.768 0.709 0.755 0.772 0.626
COV [%] 0.6% 5.3% 5.5% 6.3% 6.0% 6.5%
OTHER BRIDGES ON THE NHS AVERAGE 0.907 0.846 0.785 0.857 0.886 0.686
MAX 0.917 0.901 0.837 0.911 0.947 0.752
MIN 0.880 0.740 0.683 0.717 0.742 0.598
COV [%] 0.7% 5.4% 5.6% 6.5% 5.5% 4.7%

 

Table STR-30: Normalized Shear Rating Result Statistics for Steel Beam/Girder, Simple Span (L < 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.899 0.841 0.778 0.849 0.872 0.663
MAX 0.918 0.911 0.842 0.906 0.946 0.751
MIN 0.879 0.786 0.726 0.739 0.730 0.604
COV [%] 1.0% 3.5% 3.5% 5.7% 7.2% 5.0%
IHS BRIDGES AVERAGE 0.896 0.837 0.772 0.843 0.872 0.657
MAX 0.904 0.893 0.815 0.901 0.941 0.726
MIN 0.879 0.786 0.726 0.760 0.749 0.622
COV [%] 0.7% 3.9% 3.7% 5.7% 7.6% 4.4%
OTHER BRIDGES ON THE NHS AVERAGE 0.900 0.843 0.780 0.852 0.873 0.666
MAX 0.918 0.911 0.842 0.906 0.946 0.751
MIN 0.881 0.797 0.736 0.739 0.730 0.604
COV [%] 1.0% 3.5% 3.4% 5.8% 7.2% 5.2%

 

Table STR-31: Normalized Flexural Rating Result Statistics for Steel Beam/Girder, Simple Span (L > 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.909 0.872 0.809 0.879 0.868 0.671
MAX 0.917 0.913 0.844 0.930 0.936 0.751
MIN 0.893 0.775 0.716 0.760 0.685 0.552
COV [%] 0.6% 3.5% 3.6% 3.7% 8.0% 6.0%
IHS BRIDGES AVERAGE 0.910 0.874 0.810 0.878 0.872 0.671
MAX 0.916 0.913 0.843 0.902 0.936 0.751
MIN 0.893 0.794 0.734 0.768 0.685 0.552
COV [%] 0.6% 3.4% 3.4% 3.6% 8.1% 6.5%
OTHER BRIDGES ON THE NHS AVERAGE 0.909 0.869 0.807 0.881 0.863 0.670
MAX 0.917 0.907 0.844 0.930 0.925 0.729
MIN 0.899 0.775 0.716 0.760 0.745 0.614
COV [%] 0.5% 3.6% 3.8% 3.9% 7.9% 5.5%

 

Table STR-32: Normalized Shear Rating Result Statistics for Steel Beam/Girder, Simple Span (L > 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.905 0.846 0.785 0.864 0.878 0.676
MAX 0.917 0.908 0.839 0.904 0.946 0.729
MIN 0.890 0.800 0.742 0.802 0.740 0.614
COV [%] 1.1% 3.9% 3.8% 3.0% 7.4% 5.2%
IHS BRIDGES AVERAGE 0.905 0.842 0.782 0.866 0.884 0.681
MAX 0.917 0.904 0.834 0.904 0.943 0.725
MIN 0.890 0.800 0.742 0.825 0.740 0.614
COV [%] 1.2% 4.0% 3.9% 2.6% 7.1% 5.1%
OTHER BRIDGES ON THE NHS AVERAGE 0.905 0.850 0.789 0.863 0.871 0.671
MAX 0.917 0.908 0.839 0.902 0.946 0.729
MIN 0.893 0.805 0.746 0.802 0.743 0.617
COV [%] 1.0% 3.9% 3.7% 3.5% 7.8% 5.3%

 

Table STR-33: Normalized Flexural Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L < 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.909 0.858 0.795 0.861 0.876 0.667
MAX 0.917 0.902 0.846 0.900 0.944 0.736
MIN 0.898 0.769 0.710 0.735 0.610 0.480
COV [%] 0.5% 4.4% 4.6% 5.4% 9.0% 7.5%
IHS BRIDGES AVERAGE 0.910 0.858 0.795 0.866 0.898 0.676
MAX 0.917 0.899 0.830 0.900 0.938 0.710
MIN 0.901 0.769 0.710 0.740 0.755 0.617
COV [%] 0.5% 4.7% 4.7% 5.7% 5.3% 4.3%
OTHER BRIDGES ON THE NHS AVERAGE 0.908 0.857 0.796 0.857 0.859 0.661
MAX 0.914 0.902 0.846 0.895 0.944 0.736
MIN 0.898 0.771 0.712 0.735 0.610 0.480
COV [%] 0.5% 4.2% 4.6% 5.2% 10.5% 9.0%

 

Table STR-34: Normalized Shear Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L < 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.901 0.845 0.780 0.848 0.891 0.668
MAX 0.918 0.907 0.838 0.909 0.950 0.732
MIN 0.876 0.787 0.723 0.765 0.716 0.591
COV [%] 1.2% 3.7% 3.6% 4.2% 5.7% 5.1%
IHS BRIDGES AVERAGE 0.897 0.830 0.766 0.849 0.889 0.661
MAX 0.918 0.883 0.816 0.906 0.950 0.732
MIN 0.876 0.787 0.723 0.765 0.803 0.591
COV [%] 1.3% 3.2% 2.9% 4.8% 5.1% 5.1%
OTHER BRIDGES ON THE NHS AVERAGE 0.905 0.855 0.790 0.848 0.893 0.674
MAX 0.917 0.907 0.838 0.909 0.947 0.728
MIN 0.886 0.809 0.747 0.783 0.716 0.592
COV [%] 1.0% 3.7% 3.5% 3.8% 6.3% 5.2%

 

Table STR-35: Normalized Flexural Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L > 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.910 0.852 0.790 0.861 0.864 0.665
MAX 0.976 0.903 0.838 1.045 0.929 0.729
MIN 0.900 0.768 0.710 0.740 0.572 0.465
COV [%] 1.2% 5.0% 5.2% 7.3% 9.2% 7.3%
IHS BRIDGES AVERAGE 0.908 0.858 0.796 0.881 0.879 0.674
MAX 0.915 0.886 0.821 0.900 0.922 0.696
MIN 0.904 0.801 0.740 0.814 0.808 0.649
COV [%] 0.4% 3.3% 3.4% 2.8% 4.6% 2.5%
OTHER BRIDGES ON THE NHS AVERAGE 0.910 0.850 0.788 0.854 0.859 0.662
MAX 0.976 0.903 0.838 1.045 0.929 0.729
MIN 0.900 0.768 0.710 0.740 0.572 0.465
COV [%] 1.4% 5.4% 5.7% 8.0% 10.1% 8.2%

 

Table STR-36: Normalized Shear Rating Result Statistics for Steel Beam/Girder, Continuous Spans (L > 100 ft.)
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.901 0.844 0.782 0.859 0.871 0.668
MAX 0.917 0.900 0.832 0.907 0.945 0.747
MIN 0.881 0.795 0.732 0.752 0.716 0.592
COV [%] 1.0% 3.4% 3.5% 5.0% 7.0% 5.1%
IHS BRIDGES AVERAGE 0.902 0.845 0.786 0.880 0.855 0.660
MAX 0.917 0.900 0.832 0.903 0.942 0.708
MIN 0.893 0.802 0.743 0.826 0.775 0.628
COV [%] 0.9% 3.5% 3.3% 3.2% 7.4% 4.7%
OTHER BRIDGES ON THE NHS AVERAGE 0.901 0.844 0.781 0.852 0.876 0.670
MAX 0.917 0.896 0.828 0.907 0.945 0.747
MIN 0.881 0.795 0.732 0.752 0.716 0.592
COV [%] 1.0% 3.5% 3.6% 5.1% 7.1% 5.4%

 

Table STR-37: Normalized LFR Rating Factors for Girder Floorbeam Systems
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.906 0.854 0.794 0.889 0.804 0.640
MAX 0.915 0.891 0.823 0.912 0.923 0.704
MIN 0.898 0.811 0.755 0.836 0.699 0.575
COV [%] 0.7% 2.8% 2.9% 2.2% 11.4% 8.0%
IHS BRIDGES AVERAGE 0.904 0.862 0.808 0.889 0.716 0.588
MAX 0.905 0.869 0.815 0.891 0.733 0.600
MIN 0.902 0.855 0.800 0.887 0.699 0.575
COV [%] 0.3% 1.1% 1.3% 0.4% 3.4% 3.0%
OTHER BRIDGES ON THE NHS AVERAGE 0.907 0.853 0.792 0.889 0.823 0.652
MAX 0.915 0.891 0.823 0.912 0.923 0.704
MIN 0.898 0.811 0.755 0.836 0.714 0.590
COV [%] 0.8% 3.1% 3.0% 2.5% 12.5% 8.4%

NOTE: Rating factors determined based on the LFR methodology. Separate flexural/shear rating factors unavailable

 

Table STR-38: Normalized Flexural Rating Result Statistics for Reinforced Concrete Tee Beams
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.909 0.869 0.806 0.867 0.869 0.673
MAX 0.916 1.075 1.008 0.925 0.941 0.844
MIN 0.895 0.768 0.710 0.737 0.646 0.519
COV [%] 0.6% 5.9% 6.2% 5.8% 8.9% 9.6%
IHS BRIDGES AVERAGE 0.912 0.864 0.800 0.877 0.900 0.675
MAX 0.916 0.921 0.860 0.920 0.924 0.722
MIN 0.900 0.768 0.710 0.748 0.766 0.562
COV [%] 0.4% 4.4% 4.6% 5.1% 5.1% 6.4%
OTHER BRIDGES ON THE NHS AVERAGE 0.908 0.870 0.808 0.864 0.860 0.672
MAX 0.916 1.075 1.008 0.925 0.941 0.844
MIN 0.895 0.769 0.711 0.737 0.646 0.519
COV [%] 0.6% 6.3% 6.6% 5.9% 9.1% 10.3%

 

Table STR-39: Normalized Shear Rating Result Statistics for Reinforced Concrete Tee Beams
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.903 0.852 0.790 0.854 0.880 0.677
MAX 0.917 1.075 1.008 0.906 0.950 0.844
MIN 0.891 0.770 0.711 0.754 0.717 0.592
COV [%] 1.0% 5.9% 5.9% 4.5% 5.8% 6.4%
IHS BRIDGES AVERAGE 0.901 0.837 0.776 0.863 0.885 0.671
MAX 0.916 0.899 0.831 0.904 0.950 0.705
MIN 0.894 0.801 0.742 0.810 0.822 0.641
COV [%] 0.9% 3.6% 3.4% 3.2% 5.3% 3.7%
OTHER BRIDGES ON THE NHS AVERAGE 0.903 0.856 0.793 0.852 0.879 0.679
MAX 0.917 1.075 1.008 0.906 0.945 0.844
MIN 0.891 0.770 0.711 0.754 0.717 0.592
COV [%] 1.0% 6.5% 6.5% 4.7% 6.0% 7.1%

 

Table STR-40: Normalized Flexural Rating Result Statistics for Box Beams
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.909 0.867 0.807 0.871 0.834 0.640
MAX 0.923 0.903 0.843 0.938 0.930 0.724
MIN 0.900 0.768 0.709 0.721 0.616 0.496
COV [%] 0.4% 3.5% 3.8% 4.8% 12.0% 8.9%
IHS BRIDGES AVERAGE 0.910 0.876 0.814 0.877 0.836 0.639
MAX 0.917 0.898 0.839 0.900 0.924 0.706
MIN 0.905 0.847 0.783 0.858 0.629 0.513
COV [%] 0.4% 1.8% 2.3% 1.8% 13.7% 10.1%
OTHER BRIDGES ON THE NHS AVERAGE 0.909 0.865 0.805 0.870 0.834 0.640
MAX 0.923 0.903 0.843 0.938 0.930 0.724
MIN 0.900 0.768 0.709 0.721 0.616 0.496
COV [%] 0.4% 3.7% 4.0% 5.3% 11.8% 8.7%

 

Table STR-41: Normalized Shear Rating Result Statistics for Box Beams
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.900 0.845 0.780 0.863 0.874 0.665
MAX 0.917 0.914 0.845 0.905 0.950 0.719
MIN 0.789 0.719 0.596 0.788 0.736 0.512
COV [%] 2.4% 4.5% 5.5% 3.6% 6.0% 5.4%
IHS BRIDGES AVERAGE 0.906 0.834 0.771 0.861 0.884 0.673
MAX 0.917 0.886 0.819 0.901 0.932 0.711
MIN 0.890 0.784 0.713 0.837 0.810 0.636
COV [%] 1.2% 3.8% 4.3% 2.7% 5.2% 4.4%
OTHER BRIDGES ON THE NHS AVERAGE 0.899 0.847 0.782 0.863 0.871 0.664
MAX 0.917 0.914 0.845 0.905 0.950 0.719
MIN 0.789 0.719 0.596 0.788 0.736 0.512
COV [%] 2.5% 4.7% 5.8% 3.8% 6.2% 5.5%

 

Table STR-42: Normalized LFR Rating Factors for Through Trusses
Empty Cell NORMALIZED BY 3-S2 NORMALIZED BY 2-S1-2
Scenario #1 Scenario #2 Scenario #3 Scenario #4 Scenario #5 Scenario #6
ALL BRIDGES AVERAGE 0.908 0.858 0.797 0.873 0.860 0.663
MAX 0.916 0.898 0.830 0.908 0.924 0.731
MIN 0.898 0.776 0.717 0.735 0.738 0.612
COV [%] 0.7% 3.8% 3.8% 5.0% 8.4% 4.9%
IHS BRIDGES AVERAGE 0.902 0.855 0.799 0.894 0.744 0.618
MAX 0.902 0.855 0.799 0.894 0.744 0.618
MIN 0.902 0.855 0.799 0.894 0.744 0.618
COV [%] N/A N/A N/A N/A N/A N/A
OTHER BRIDGES ON THE NHS AVERAGE 0.908 0.858 0.797 0.872 0.868 0.666
MAX 0.916 0.898 0.830 0.908 0.924 0.731
MIN 0.898 0.776 0.717 0.735 0.738 0.612
COV [%] 0.7% 4.0% 4.0% 5.0% 9.0% 5.1%

NOTE: Rating factors determined based on the LFR methodology. N/A: Statistically not applicable (only 1 bridge).

POSTING ANALYSIS

Table STR-43: Bridges with RF < 1.0 Sorted by Bridge Type
Empty Cell Bridge Type #. of IHS Bridges Rated # of Other NHS Bridges Rated Vehicle Configuration RF < 1.0
Flexure Controls		 RF < 1.0
Shear Controls		 Flex or Shear RF < 1.0 # of IHS Bridges w/ RF < 1.0 # of Other NHS Bridges w/ RF < 1.0 % of IHS Bridges Rated w/ RF < 1.0 % of Other NHS Bridges Rated w/ RF < 1.0
1 Concrete Slab 18 40 3-S2 4 0 4 2 2 11.1% 5.0%
18 40 Scenario #1 5 0 5 2 3 11.1% 7.5%
18 40 Scenario #2 8 0 8 2 6 11.1% 15.0%
18 40 Scenario #3 10 0 10 2 8 11.1% 20.0%
18 40 2-S1-2 0 0 0 0 0 0.0% 0.0%
18 40 Scenario #4 3 0 3 2 1 11.1% 2.5%
18 40 Scenario #5 0 0 0 0 0 0.0% 0.0%
18 40 Scenario #6 4 0 4 2 2 11.1% 5.0%
2 Concrete Girder / Simple span 30 39 3-S2 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #1 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #2 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #3 2 0 2 2 0 6.7% 0.0%
30 39 2-S1-2 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #4 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #5 1 0 1 1 0 3.3% 0.0%
30 39 Scenario #6 2 0 2 2 0 6.7% 0.0%
3 Concrete Girder / Cont. spans 16 32 3-S2 1 0 1 1 0 6.3% 0.0%
16 32 Scenario #1 1 0 1 1 0 6.3% 0.0%
16 32 Scenario #2 2 0 2 1 1 6.3% 3.1%
16 32 Scenario #3 2 0 2 1 1 6.3% 3.1%
16 32 2-S1-2 1 0 1 1 0 6.3% 0.0%
16 32 Scenario #4 2 0 2 1 1 6.3% 3.1%
16 32 Scenario #5 2 0 2 1 1 6.3% 3.1%
16 32 Scenario #6 2 1 3 2 1 12.5% 3.1%
4 Steel Girder / Simple span, L < 100 14 38 3-S2 2 0 2 0 2 0.0% 5.3%
14 38 Scenario #1 2 0 2 0 2 0.0% 5.3%
14 38 Scenario #2 4 0 4 0 4 0.0% 10.5%
14 38 Scenario #3 4 0 4 0 4 0.0% 10.5%
14 38 2-S1-2 0 0 0 0 0 0.0% 0.0%
14 38 Scenario #4 2 0 2 0 2 0.0% 5.3%
14 38 Scenario #5 0 0 0 0 0 0.0% 0.0%
14 38 Scenario #6 2 0 2 0 2 0.0% 5.3%
5 Steel Girder / Simple span, L > 100 19 17 3-S2 0 2 2 1 1 5.3% 5.9%
19 17 Scenario #1 0 2 2 1 1 5.3% 5.9%
19 17 Scenario #2 0 2 2 1 1 5.3% 5.9%
19 17 Scenario #3 0 2 2 1 1 5.3% 5.9%
19 17 2-S1-2 0 1 1 0 1 0.0% 5.9%
19 17 Scenario #4 0 1 1 0 1 0.0% 5.9%
19 17 Scenario #5 0 2 2 1 1 5.3% 5.9%
19 17 Scenario #6 2 2 4 2 2 10.5% 11.8%
6 Steel Girder / Cont. spans, L < 100 21 28 3-S2 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #1 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #2 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #3 1 0 1 0 1 0.0% 3.6%
21 28 2-S1-2 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #4 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #5 0 0 0 0 0 0.0% 0.0%
21 28 Scenario #6 1 0 1 0 1 0.0% 3.6%
7 Steel Girder / Cont. spans, L > 100 11 33 3-S2 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #1 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #2 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #3 0 0 0 0 0 0.0% 0.0%
11 33 2-S1-2 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #4 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #5 0 0 0 0 0 0.0% 0.0%
11 33 Scenario #6 1 0 1 1 0 9.1% 0.0%
8 Steel Girder / Floor-beam * 2 9 3-S2 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #1 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #2 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #3 N/A N/A 0 0 0 0.0% 0.0%
2 9 2-S1-2 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #4 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #5 N/A N/A 0 0 0 0.0% 0.0%
2 9 Scenario #6 N/A N/A 0 0 0 0.0% 0.0%
9 Conc. Tee beams 11 42 3-S2 4 2 6 0 6 0.0% 14.3%
11 42 Scenario #1 7 4 11 0 11 0.0% 26.2%
11 42 Scenario #2 9 5 14 0 14 0.0% 33.3%
11 42 Scenario #3 11 6 17 1 16 9.1% 38.1%
11 42 2-S1-2 0 0 0 0 0 0.0% 0.0%
11 42 Scenario #4 4 1 5 0 5 0.0% 11.9%
11 42 Scenario #5 0 1 1 0 1 0.0% 2.4%
11 42 Scenario #6 7 5 12 1 11 9.1% 26.2%
10 Conc. Box beams 10 44 3-S2 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #1 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #2 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #3 1 0 1 0 1 0.0% 2.3%
10 44 2-S1-2 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #4 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #5 0 0 0 0 0 0.0% 0.0%
10 44 Scenario #6 0 0 0 0 0 0.0% 0.0%
11 Steel Through truss* 1 15 3-S2 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #1 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #2 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #3 Axial Axial 0 0 0 0.0% 0.0%
1 15 2-S1-2 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #4 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #5 Axial Axial 0 0 0 0.0% 0.0%
1 15 Scenario #6 Axial Axial 0 0 0 0.0% 0.0%
TOTAL 153 337 3-S2   16 5 11 3.3% 3.3%
153 337 Scenario #1 22 5 17 3.3% 5.0%
153 337 Scenario #2 31 5 26 3.3% 7.7%
153 337 Scenario #3 39 7 32 4.6% 9.5%
153 337 2-S1-2 3 2 1 1.3% 0.3%
153 337 Scenario #4 14 4 10 2.6% 3.0%
153 337 Scenario #5 6 3 3 2.0% 0.9%
153 337 Scenario #6 29 10 19 6.5% 5.6%

N/A: Not applicable.

*: Girder-floorbeam systems and through trusses were rated using the Load Factor Rating (LFR) methodology. All other bridge types were rated using the Load and Resistance Factor Rating (LRFR) methodology.

 

Table STR-44: Bridges with RF < 1.0 Sorted by Span Length
Span Length
[ft.]		 # of IHS Bridges Rated # of Other NHS Bridges Rated Vehicle Configuration # of IHS Bridges w/ RF < 1.0 # of Other NHS Bridges w/ RF < 1.0 % of IHS Bridges Rated w/ RF < 1.0 % of Other NHS Bridges Rated w/ RF < 1.0
<20 0 8 3-S2 0 0 0.0% 0.0%
0 8 Scenario #1 0 0 0.0% 0.0%
0 8 Scenario #2 0 1 0.0% 12.5%
0 8 Scenario #3 0 1 0.0% 12.5%
0 8 2-S1-2 0 0 0.0% 0.0%
0 8 Scenario #4 0 0 0.0% 0.0%
0 8 Scenario #5 0 0 0.0% 0.0%
0 8 Scenario #6 0 0 0.0% 0.0%
20-40 24 67 3-S2 2 5 8.3% 7.5%
24 67 Scenario #1 2 10 8.3% 14.9%
24 67 Scenario #2 2 13 8.3% 19.4%
24 67 Scenario #3 2 16 8.3% 23.9%
24 67 2-S1-2 0 0 0.0% 0.0%
24 67 Scenario #4 2 5 8.3% 7.5%
24 67 Scenario #5 0 0 0.0% 0.0%
24 67 Scenario #6 2 6 8.3% 9.0%
40-60 25 76 3-S2 1 4 4.0% 5.3%
25 76 Scenario #1 1 5 4.0% 6.6%
25 76 Scenario #2 1 8 4.0% 10.5%
25 76 Scenario #3 2 10 8.0% 13.2%
25 76 2-S1-2 1 0 4.0% 0.0%
25 76 Scenario #4 1 2 4.0% 2.6%
25 76 Scenario #5 1 1 4.0% 1.3%
25 76 Scenario #6 1 7 4.0% 9.2%
60-80 31 59 3-S2 1 1 3.2% 1.7%
31 59 Scenario #1 1 1 3.2% 1.7%
31 59 Scenario #2 1 2 3.2% 3.4%
31 59 Scenario #3 2 2 6.5% 3.4%
31 59 2-S1-2 1 0 3.2% 0.0%
31 59 Scenario #4 1 2 3.2% 3.4%
31 59 Scenario #5 1 1 3.2% 1.7%
31 59 Scenario #6 3 2 9.7% 3.4%
80-100 31 44 3-S2 0 0 0.0% 0.0%
31 44 Scenario #1 0 0 0.0% 0.0%
31 44 Scenario #2 0 1 0.0% 2.3%
31 44 Scenario #3 0 2 0.0% 4.5%
31 44 2-S1-2 0 0 0.0% 0.0%
31 44 Scenario #4 0 0 0.0% 0.0%
31 44 Scenario #5 0 0 0.0% 0.0%
31 44 Scenario #6 1 2 3.2% 4.5%
100-120 22 32 3-S2 1 1 4.5% 3.1%
22 32 Scenario #1 1 1 4.5% 3.1%
22 32 Scenario #2 1 1 4.5% 3.1%
22 32 Scenario #3 1 1 4.5% 3.1%
22 32 2-S1-2 0 1 0.0% 3.1%
22 32 Scenario #4 0 1 0.0% 3.1%
22 32 Scenario #5 1 1 4.5% 3.1%
22 32 Scenario #6 1 2 4.5% 6.3%
120-140 14 11 3-S2 0 0 0.0% 0.0%
14 11 Scenario #1 0 0 0.0% 0.0%
14 11 Scenario #2 0 0 0.0% 0.0%
14 11 Scenario #3 0 0 0.0% 0.0%
14 11 2-S1-2 0 0 0.0% 0.0%
14 11 Scenario #4 0 0 0.0% 0.0%
14 11 Scenario #5 0 0 0.0% 0.0%
14 11 Scenario #6 0 0 0.0% 0.0%
140-160 2 10 3-S2 0 0 0.0% 0.0%
2 10 Scenario #1 0 0 0.0% 0.0%
2 10 Scenario #2 0 0 0.0% 0.0%
2 10 Scenario #3 0 0 0.0% 0.0%
2 10 2-S1-2 0 0 0.0% 0.0%
2 10 Scenario #4 0 0 0.0% 0.0%
2 10 Scenario #5 0 0 0.0% 0.0%
2 10 Scenario #6 0 0 0.0% 0.0%
160-180 1 6 3-S2 0 0 0.0% 0.0%
1 6 Scenario #1 0 0 0.0% 0.0%
1 6 Scenario #2 0 0 0.0% 0.0%
1 6 Scenario #3 0 0 0.0% 0.0%
1 6 2-S1-2 0 0 0.0% 0.0%
1 6 Scenario #4 0 0 0.0% 0.0%
1 6 Scenario #5 0 0 0.0% 0.0%
1 6 Scenario #6 1 0 100.0% 0.0%
180-200 1 1 3-S2 0 0 0.0% 0.0%
1 1 Scenario #1 0 0 0.0% 0.0%
1 1 Scenario #2 0 0 0.0% 0.0%
1 1 Scenario #3 0 0 0.0% 0.0%
1 1 2-S1-2 0 0 0.0% 0.0%
1 1 Scenario #4 0 0 0.0% 0.0%
1 1 Scenario #5 0 0 0.0% 0.0%
1 1 Scenario #6 1 0 100.0% 0.0%
>200 2 23 3-S2 0 0 0.0% 0.0%
2 23 Scenario #1 0 0 0.0% 0.0%
2 23 Scenario #2 0 0 0.0% 0.0%
2 23 Scenario #3 0 0 0.0% 0.0%
2 23 2-S1-2 0 0 0.0% 0.0%
2 23 Scenario #4 0 0 0.0% 0.0%
2 23 Scenario #5 0 0 0.0% 0.0%
2 23 Scenario #6 0 0 0.0% 0.0%
TOTAL 153 337   5 11 3.3% 3.3%
153 337   5 17 3.3% 5.0%
153 337   5 26 3.3% 7.7%
153 337   7 32 4.6% 9.5%
153 337   2 1 1.3% 0.3%
153 337   4 10 2.6% 3.0%
153 337   3 3 2.0% 0.9%
153 337   10 19 6.5% 5.6%

 

Table STR-45: Bridges with RF < 1.0 Sorted by Year Built
Year Built #. of IHS Bridges Rated # of Other NHS Bridges Rated Vehicle Configuration # of IHS Bridges w/ RF < 1.0 # of Other NHS Bridges w/ RF < 1.0 % of IHS Bridges Rated w/ RF < 1.0 % of Other NHS Bridges Rated w/ RF < 1.0
<1920 0 2 3-S2 0 0 0.0% 0.0%
0 2 Scenario #1 0 0 0.0% 0.0%
0 2 Scenario #2 0 1 0.0% 50.0%
0 2 Scenario #3 0 1 0.0% 50.0%
0 2 2-S1-2 0 0 0.0% 0.0%
0 2 Scenario #4 0 0 0.0% 0.0%
0 2 Scenario #5 0 0 0.0% 0.0%
0 2 Scenario #6 0 0 0.0% 0.0%
1920-1930 0 20 3-S2 0 2 0.0% 10.0%
0 20 Scenario #1 0 2 0.0% 10.0%
0 20 Scenario #2 0 3 0.0% 15.0%
0 20 Scenario #3 0 4 0.0% 20.0%
0 20 2-S1-2 0 0 0.0% 0.0%
0 20 Scenario #4 0 2 0.0% 10.0%
0 20 Scenario #5 0 0 0.0% 0.0%
0 20 Scenario #6 0 2 0.0% 10.0%
1930-1940 0 42 3-S2 0 3 0.0% 7.1%
0 42 Scenario #1 0 6 0.0% 14.3%
0 42 Scenario #2 0 9 0.0% 21.4%
0 42 Scenario #3 0 10 0.0% 23.8%
0 42 2-S1-2 0 0 0.0% 0.0%
0 42 Scenario #4 0 3 0.0% 7.1%
0 42 Scenario #5 0 0 0.0% 0.0%
0 42 Scenario #6 0 6 0.0% 14.3%
1940-1950 0 21 3-S2 0 0 0.0% 0.0%
0 21 Scenario #1 0 1 0.0% 4.8%
0 21 Scenario #2 0 1 0.0% 4.8%
0 21 Scenario #3 0 3 0.0% 14.3%
0 21 2-S1-2 0 0 0.0% 0.0%
0 21 Scenario #4 0 0 0.0% 0.0%
0 21 Scenario #5 0 0 0.0% 0.0%
0 21 Scenario #6 0 2 0.0% 9.5%
1950-1960 21 41 3-S2 0 2 0.0% 4.9%
21 41 Scenario #1 0 2 0.0% 4.9%
21 41 Scenario #2 0 5 0.0% 12.2%
21 41 Scenario #3 1 6 4.8% 14.6%
21 41 2-S1-2 0 0 0.0% 0.0%
21 41 Scenario #4 0 1 0.0% 2.4%
21 41 Scenario #5 0 1 0.0% 2.4%
21 41 Scenario #6 1 4 4.8% 9.8%
1960-1970 58 45 3-S2 4 2 6.9% 4.4%
58 45 Scenario #1 4 2 6.9% 4.4%
58 45 Scenario #2 4 2 6.9% 4.4%
58 45 Scenario #3 4 2 6.9% 4.4%
58 45 2-S1-2 1 1 1.7% 2.2%
58 45 Scenario #4 3 1 5.2% 2.2%
58 45 Scenario #5 2 1 3.4% 2.2%
58 45 Scenario #6 5 2 8.6% 4.4%
1970-1980 35 37 3-S2 0 0 0.0% 0.0%
35 37 Scenario #1 0 1 0.0% 0.0%
35 37 Scenario #2 0 1 0.0% 0.0%
35 37 Scenario #3 0 1 0.0% 0.0%
35 37 2-S1-2 0 0 0.0% 0.0%
35 37 Scenario #4 0 0 0.0% 0.0%
35 37 Scenario #5 0 0 0.0% 0.0%
35 37 Scenario #6 0 0 0.0% 0.0%
1980-1990 18 38 3-S2 1 0 5.6% 0.0%
18 38 Scenario #1 1 1 5.6% 2.6%
18 38 Scenario #2 1 2 5.6% 5.3%
18 38 Scenario #3 2 3 11.1% 7.9%
18 38 2-S1-2 1 0 5.6% 0.0%
18 38 Scenario #4 1 2 5.6% 5.3%
18 38 Scenario #5 1 1 5.6% 2.6%
18 38 Scenario #6 3 1 16.7% 2.6%
1990-2000 11 40 3-S2 0 2 0.0% 5.0%
11 40 Scenario #1 0 2 0.0% 5.0%
11 40 Scenario #2 0 2 0.0% 5.0%
11 40 Scenario #3 0 2 0.0% 5.0%
11 40 2-S1-2 0 0 0.0% 0.0%
11 40 Scenario #4 0 1 0.0% 2.5%
11 40 Scenario #5 0 0 0.0% 0.0%
11 40 Scenario #6 0 2 0.0% 5.0%
>2000 10 51 3-S2 0 0 0.0% 0.0%
10 51 Scenario #1 0 0 0.0% 0.0%
10 51 Scenario #2 0 0 0.0% 0.0%
10 51 Scenario #3 0 0 0.0% 0.0%
10 51 2-S1-2 0 0 0.0% 0.0%
10 51 Scenario #4 0 0 0.0% 0.0%
10 51 Scenario #5 0 0 0.0% 0.0%
10 51 Scenario #6 1 0 10.0% 0.0%
TOTAL 153 337 3-S2 5 11 3.3% 3.3%
153 337 Scenario #1 5 17 3.3% 5.0%
153 337 Scenario #2 5 26 3.3% 7.7%
153 337 Scenario #3 7 32 4.6% 9.5%
153 337 2-S1-2 2 1 1.3% 0.3%
153 337 Scenario #4 4 10 2.6% 3.0%
153 337 Scenario #5 3 3 2.0% 0.9%
153 337 Scenario #6 10 19 6.5% 5.6%

 

Table STR-46: Posting Projections
Empty Cell LOAD RATING RESULTS PROJECTED NUMBER OF BRIDGES WITH POSTING ISSUES FOR ENTIRE INVENTORY
Empty Cell Bridge Type #. of IHS Bridges Rated # of Other NHS Bridges Rated Vehicle Configuration % of IHS Bridges Rated w/ RF < 1.0 % of Other NHS Bridges Rated w/ RF < 1.0 #. of IHS Bridges with Posting Issues # of Other NHS Bridges with Posting Issues
1 Concrete Slab 18 40 3-S2 11.1% 5.0% 566 245
18 40 Scenario #1 11.1% 7.5% 566 368
18 40 Scenario #2 11.1% 15.0% 566 735
18 40 Scenario #3 11.1% 20.0% 566 981
18 40 2-S1-2 0.0% 0.0% 0 0
18 40 Scenario #4 11.1% 2.5% 566 123
18 40 Scenario #5 0.0% 0.0% 0 0
18 40 Scenario #6 11.1% 5.0% 566 245
2 Concrete Girder / Simple span 30 39 3-S2 3.3% 0.0% 310 0
30 39 Scenario #1 3.3% 0.0% 310 0
30 39 Scenario #2 3.3% 0.0% 310 0
30 39 Scenario #3 6.7% 0.0% 629 0
30 39 2-S1-2 3.3% 0.0% 310 0
30 39 Scenario #4 3.3% 0.0% 310 0
30 39 Scenario #5 3.3% 0.0% 310 0
30 39 Scenario #6 6.7% 0.0% 629 0
3 Concrete Girder / Cont. spans 16 32 3-S2 6.3% 0.0% 134 0
16 32 Scenario #1 6.3% 0.0% 134 0
16 32 Scenario #2 6.3% 3.1% 134 118
16 32 Scenario #3 6.3% 3.1% 134 118
16 32 2-S1-2 6.3% 0.0% 134 0
16 32 Scenario #4 6.3% 3.1% 134 118
16 32 Scenario #5 6.3% 3.1% 134 118
16 32 Scenario #6 12.5% 3.1% 266 118
4 Steel Girder / Simple span,
L < 100		 14 38 3-S2 0.0% 5.3% 0 275
14 38 Scenario #1 0.0% 5.3% 0 275
14 38 Scenario #2 0.0% 10.5% 0 545
14 38 Scenario #3 0.0% 10.5% 0 545
14 38 2-S1-2 0.0% 0.0% 0 0
14 38 Scenario #4 0.0% 5.3% 0 275
14 38 Scenario #5 0.0% 0.0% 0 0
14 38 Scenario #6 0.0% 5.3% 0 275
5 Steel Girder / Simple span, L > 100 19 17 3-S2 5.3% 5.9% 151 117
19 17 Scenario #1 5.3% 5.9% 151 117
19 17 Scenario #2 5.3% 5.9% 151 117
19 17 Scenario #3 5.3% 5.9% 151 117
19 17 2-S1-2 0.0% 5.9% 0 117
19 17 Scenario #4 0.0% 5.9% 0 117
19 17 Scenario #5 5.3% 5.9% 151 117
19 17 Scenario #6 10.5% 11.8% 299 234
6 Steel Girder / Cont. spans, L < 100 21 28 3-S2 0.0% 0.0% 0 0
21 28 Scenario #1 0.0% 0.0% 0 0
21 28 Scenario #2 0.0% 0.0% 0 0
21 28 Scenario #3 0.0% 3.6% 0 142
21 28 2-S1-2 0.0% 0.0% 0 0
21 28 Scenario #4 0.0% 0.0% 0 0
21 28 Scenario #5 0.0% 0.0% 0 0
21 28 Scenario #6 0.0% 3.6% 0 142
7 Steel Girder / Cont. spans, L > 100 11 33 3-S2 0.0% 0.0% 0 0
11 33 Scenario #1 0.0% 0.0% 0 0
11 33 Scenario #2 0.0% 0.0% 0 0
11 33 Scenario #3 0.0% 0.0% 0 0
11 33 2-S1-2 0.0% 0.0% 0 0
11 33 Scenario #4 0.0% 0.0% 0 0
11 33 Scenario #5 0.0% 0.0% 0 0
11 33 Scenario #6 9.1% 0.0% 387 0
8 Steel Girder / Floorbeam * 2 9 3-S2 0.0% 0.0% 0 0
2 9 Scenario #1 0.0% 0.0% 0 0
2 9 Scenario #2 0.0% 0.0% 0 0
2 9 Scenario #3 0.0% 0.0% 0 0
2 9 2-S1-2 0.0% 0.0% 0 0
2 9 Scenario #4 0.0% 0.0% 0 0
2 9 Scenario #5 0.0% 0.0% 0 0
2 9 Scenario #6 0.0% 0.0% 0 0
9 Conc. Tee beams 11 42 3-S2 0.0% 14.3% 0 500
11 42 Scenario #1 0.0% 26.2% 0 917
11 42 Scenario #2 0.0% 33.3% 0 1165
11 42 Scenario #3 9.1% 38.1% 240 1333
11 42 2-S1-2 0.0% 0.0% 0 0
11 42 Scenario #4 0.0% 11.9% 0 416
11 42 Scenario #5 0.0% 2.4% 0 84
11 42 Scenario #6 9.1% 26.2% 240 917
10 Conc. Box beams 10 44 3-S2 0.0% 0.0% 0 0
10 44 Scenario #1 0.0% 0.0% 0 0
10 44 Scenario #2 0.0% 0.0% 0 0
10 44 Scenario #3 0.0% 2.3% 0 117
10 44 2-S1-2 0.0% 0.0% 0 0
10 44 Scenario #4 0.0% 0.0% 0 0
10 44 Scenario #5 0.0% 0.0% 0 0
10 44 Scenario #6 0.0% 0.0% 0 0
11 Steel Through Truss* 1 15 3-S2 0.0% 0.0% 0 0
1 15 Scenario #1 0.0% 0.0% 0 0
1 15 Scenario #2 0.0% 0.0% 0 0
1 15 Scenario #3 0.0% 0.0% 0 0
1 15 2-S1-2 0.0% 0.0% 0 0
1 15 Scenario #4 0.0% 0.0% 0 0
1 15 Scenario #5 0.0% 0.0% 0 0
1 15 Scenario #6 0.0% 0.0% 0 0
TOTAL 153 337 3-S2 3.3% 3.3% 1485 1419
153 337 Scenario #1 3.3% 5.0% 1485 2194
153 337 Scenario #2 3.3% 7.7% 1485 3360
153 337 Scenario #3 4.6% 9.5% 2080 4135
153 337 2-S1-2 1.3% 0.3% 595 131
153 337 Scenario #4 2.6% 3.0% 1185 1293
153 337 Scenario #5 2.0% 0.9% 890 387
153 337 Scenario #6 6.5% 5.6% 2970 2455

*: Girder-Floorbeam systems and through trusses were rated using the Load Factor Rating (LFR) methodology. All other bridge types were rated using the Load and Resistance Factor Rating (LRFR) methodology.

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