Bridge conditions in Fremont County, Wyoming
176 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 176 bridges in Fremont County: 84 rated good, 81 fair, and 11 poor.
- 11 of the 176 bridges in Fremont County, Wyoming, are rated in poor condition (6.2%) in the 2025 National Bridge Inventory, as of .
- 84 bridges (47.7%) are rated good and 81 (46.0%) fair.
- The median Fremont County bridge was built in 1983.
- The busiest poor-rated bridge is Fr Cnty Rd 480 over Pilot Canal (built 1950), carrying about 265 vehicles a day.
Good 47.7% · Fair 46.0% · Poor 6.2% of 176 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fr Cnty Rd 480 over Pilot Canal | 1950 | 265 | Poor |
| Fr Cnty Rd 412 over Pilot Canal | 1970 | 151 | Poor |
| Fr Cnty Rd 497 over Haymaker Draw | 1921 | 140 | Poor |
| Fr Cnty Rd 476 over Pilot Canal | 1970 | 127 | Poor |
| Fr Cnty Rd 238 over Big Wind River | 1921 | 81 | Poor |
| Fr Cnty Rd 442 over Middle Fork Popo Agie | 1950 | 80 | Poor |
| Fr Cnty Rd 314 over Big Wind River | 1920 | 40 | Poor |
| Irr Bia Rte 101 over Shotgun Creek | 1951 | 30 | Poor |
| Fr Cnty Rd 298 over Wind River | 1925 | 26 | Poor |
| Fr Cnty Rd 523 over Twin Creek | 1932 | 8 | Poor |
| Bull Lake Road over Bull Lake Dam Spillway | 1938 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 287 over M Fork Popo Agie River | 1978 | 17,932 | Fair |
| US 26 over Wyo Central Canal No 2 | 1957 | 13,777 | Fair |
| Wyo 789 over Wind River | 1968 | 13,259 | Fair |
| US 287 over Squaw Creek | 1961 | 10,272 | Fair |
| US 287 over Baldwin Creek | 1961 | 10,272 | Good |
| US 26 over Madden Draw | 1989 | 7,727 | Good |
| US 26 over Haymaker Draw | 1988 | 5,842 | Fair |
| US 26 over Brown Draw | 2011 | 5,842 | Good |
| US 26 over Leclair Canal No 2 | 1978 | 5,449 | Fair |
| Wyo 789 over Sweaney Draw | 1976 | 4,914 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Wyoming: Wyoming bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.