Status of the Nation's Highways, Bridges, and Transit Conditions and Performance: 23rd Edition: Part III: Highway Freight Transportation - Report to Congress
Long Description for Exhibit 12-4. Age of Structurally Deficient Bridges on NHFN
This bar chart shows the number of bridges with structural deficiencies on the NHFN organized by age group. Most structurally deficient bridges are between the ages of 25 and 75, and the number of structurally deficient bridges is less for very new or very old bridges. The largest number of structurally deficient bridges (1,214) are 25 to 50 years old. The second largest number of structurally deficient bridges (1,172) are 51 to 75 years old. There are no structurally deficient bridges that are 10 years old or less.
| Age (Years) | Number of Bridges | Percent |
|---|---|---|
| 0 to 10 | 0 | 0.00% |
| 11 to 25 | 32 | 1.28% |
| 26 to 50 | 1,214 | 48.70% |
| 51 to 75 | 1,172 | 47.01% |
| 76 to 99 | 60 | 2.41% |
| More than 100 | 15 | 0.60% |
Previous
