Bridge Owner | Number of Bridges | Average Age (Years) | Average Daily Traffic | Number Structurally Deficient | Percent Structurally Deficient | Number Functionally Obsolete | Percent Functionally Obsolete |
---|---|---|---|---|---|---|---|
County | 123 | 71.1 | 955,883 | 3 | 2.4% | 70 | 56.9% |
City/Other Municipality | 35 | 76 | 132,841 | 7 | 20.0% | 12 | 34.3% |
Town | 62 | 64.3 | 159,545 | 4 | 6.5% | 36 | 58.1% |
Local Authority or Agency | 8 | 80.9 | 20,646 | 0 | 0.0% | 6 | 75.0% |
State | 506 | 50.7 | 14,896,546 | 17 | 3.4% | 234 | 46.2% |
Other (not local) | 32 | 98.6 | 175,818 | 9 | 28.1% | 19 | 59.4% |
Total | 766 | 58.6 | 16,341,279 | 40 | 5.2% | 377 | 49.2% |
Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, 2016 with OSC calculations.
Report Reference: Local Bridges by the Numbers