Bridge Owner | Number of Bridges | Average Age (Years) | Average Daily Traffic | Number Structurally Deficient | Percent Structurally Deficient | Number Functionally Obsolete | Percent Functionally Obsolete |
---|---|---|---|---|---|---|---|
County | 282 | 41.7 | 897,146 | 31 | 11.0% | 25 | 8.9% |
City/Other Municipality | 56 | 50.7 | 364,978 | 13 | 23.2% | 15 | 26.8% |
Town | 62 | 42.7 | 119,027 | 8 | 12.9% | 6 | 9.7% |
Local Authority or Agency | 1 | 89 | 15,392 | 0 | 0.0% | 1 | 100.0% |
State | 489 | 45.7 | 11,030,139 | 41 | 8.4% | 179 | 36.6% |
Other (not local) | 2 | 86 | 72 | 2 | 100.0% | 0 | 0.0% |
Total | 892 | 44.7 | 12,426,754 | 95 | 10.7% | 226 | 25.3% |
Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, 2016 with OSC calculations.
Report Reference: Local Bridges by the Numbers