Checked
Wyoming Bridge Conditions
Highway bridges longer than 20 feet in the 2025 National Bridge Inventory
Yearly inspection ratings. A poor rating does not mean a bridge is unsafe to use.
- Highway bridges
- 3,138
- Good condition
- 28.5%
- 895
- Poor condition
- 7.1%
- 224
- Weight-limited or closed
- 405
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Albany County | 125 | 34.4% | 3.2% (4) | 9 | 1976 |
| Big Horn County | 91 | 27.5% | 9.9% (9) | 24 | 1972 |
| Campbell County | 152 | 22.4% | 2.6% (4) | 22 | 1980 |
| Carbon County | 206 | 31.1% | 9.2% (19) | 31 | 1973 |
| Converse County | 136 | 15.4% | 14% (19) | 24 | 1974 |
| Crook County | 176 | 29.5% | 2.3% (4) | 26 | 1974 |
| Fremont County | 176 | 47.7% | 6.3% (11) | 19 | 1981 |
| Goshen County | 106 | 17.9% | 4.7% (5) | 10 | 1974 |
| Hot Springs County | 39 | 17.9% | 7.7% (3) | 3 | 1974 |
| Johnson County | 204 | 27.5% | 3.4% (7) | 30 | 1970 |
| Laramie County | 255 | 23.5% | 11% (28) | 20 | 1975 |
| Lincoln County | 129 | 30.2% | 5.4% (7) | 15 | 1985 |
| Natrona County | 135 | 33.3% | 3.7% (5) | 15 | 1979 |
| Niobrara County | 34 | 35.3% | 2.9% (1) | 3 | 1988 |
| Park County | 187 | 34.8% | 3.7% (7) | 10 | 1979 |
| Platte County | 159 | 31.4% | 9.4% (15) | 26 | 1971 |
| Sheridan County | 170 | 21.8% | 5.3% (9) | 20 | 1975 |
| Sublette County | 110 | 36.4% | 10% (11) | 12 | 1986 |
| Sweetwater County | 191 | 25.1% | 7.3% (14) | 17 | 1976 |
| Teton County | 122 | 32% | 12.3% (15) | 7 | 1980 |
| Uinta County | 132 | 17.4% | 12.1% (16) | 33 | 1976 |
| Washakie County | 60 | 36.7% | 10% (6) | 15 | 1979 |
| Weston County | 43 | 23.3% | 11.6% (5) | 4 | 1978 |
Frequently asked questions
- How many bridges in Wyoming are in poor condition?
- In the 2025 National Bridge Inventory, 224 of 3,138 highway bridges in Wyoming were rated poor (7.1% of rated bridges).
- Which Wyoming counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Converse County (14%), Teton County (12.3%), Uinta County (12.1%), Weston County (11.6%), Laramie County (11%).
Source: Federal Highway Administration, National Bridge Inventory · 2025 data