| Bridge Owner | Number of Bridges | Average Age (Years) | Average Daily Traffic | Number Structurally Deficient | Percent Structurally Deficient | Number Functionally Obsolete | Percent Functionally Obsolete |
|---|---|---|---|---|---|---|---|
| County | 1 | 23 | 42,932 | 0 | 0.0% | 0 | 0.0% |
| City/Other Municipality | 601 | 82 | 15,285,414 | 76 | 12.6% | 434 | 72.2% |
| Local Authority or Agency | 221 | 56.8 | 5,615,133 | 10 | 4.5% | 191 | 86.4% |
| State | 618 | 51.1 | 26,368,076 | 54 | 8.7% | 418 | 67.6% |
| Other (not local) | 1 | 109 | 0 | 1 | 100.0% | 0 | 0.0% |
| Total | 1,442 | 64.9 | 47,311,555 | 141 | 9.8% | 1,043 | 72.3% |
Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, 2016 with OSC calculations.
Report Reference: Local Bridges by the Numbers
