Bridge conditions in Campbell County, Wyoming
152 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 152 bridges in Campbell County: 34 rated good, 114 fair, and 4 poor.
- 4 of the 152 bridges in Campbell County, Wyoming, are rated in poor condition (2.6%) in the 2025 National Bridge Inventory, as of .
- 34 bridges (22.4%) are rated good and 114 (75.0%) fair.
- The median Campbell County bridge was built in 1977.
- The busiest poor-rated bridge is I-90 EBL and WBL over BNSF / US 14/16 (built 1972), carrying about 4,856 vehicles a day.
Good 22.4% · Fair 75.0% · Poor 2.6% of 152 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 |
|---|---|---|---|
| I-90 EBL and WBL over BNSF / US 14/16 | 1972 | 4,856 | Poor |
| I-90 Wbl over Machinery Pass | 1976 | 3,932 | Poor |
| Wyo 59 over Dry Fork Creek | 1960 | 1,336 | Poor |
| Cl Cnty Rd 20 over Lil N Fk Dead Horse Crk | 1965 | 243 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wyo 59 over Donkey Creek | 1975 | 22,352 | Fair |
| Wyo 59 over Antelope Butte Creek | 1975 | 19,425 | Fair |
| Wyo 59 over Homestead Trickle | 2008 | 18,150 | Good |
| Wyo 59 over Burlington Supply Ditch | 1941 | 14,340 | Fair |
| Wyo 59 over Stonepile Creek | 1981 | 14,340 | Fair |
| S Gurley Avenue over BNSF / US 14/16 | 1982 | 10,545 | Fair |
| Enzi Drive over Donkey Creek | 1997 | 10,480 | Fair |
| Wyo 50 over Donkey Creek | 2019 | 10,402 | Good |
| Cl Cnty Rd 38N over I-90 | 1990 | 7,593 | Good |
| I-90 Wbl over WYO 50 (Skyline Drive) | 1970 | 6,001 | Fair |
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.