Bridge Owner | Number of Bridges | Average Age (Years) | Average Daily Traffic | Number Structurally Deficient | Percent Structurally Deficient | Number Functionally Obsolete | Percent Functionally Obsolete |
---|---|---|---|---|---|---|---|
County | 128 | 49.4 | 58,532 | 18 | 14.1% | 17 | 13.3% |
City/Other Municipality | 7 | 40 | 57,139 | 1 | 14.3% | 2 | 28.6% |
Town | 14 | 53.4 | 2,066 | 4 | 28.6% | 1 | 7.1% |
Local Authority or Agency | 5 | 54.2 | 12,229 | 0 | 0.0% | 2 | 40.0% |
State | 138 | 51 | 792,278 | 16 | 11.6% | 34 | 24.6% |
Other (not local) | 25 | 35.1 | 904 | 7 | 28.0% | 3 | 12.0% |
Total | 317 | 49 | 923,148 | 46 | 14.5% | 59 | 18.6% |
Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, 2016 with OSC calculations.
Report Reference: Local Bridges by the Numbers