Bridge conditions in Park County, Wyoming
187 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
7 of the 187 bridges the federal inventory lists in Park County are rated poor; the rest split 65 good and 115 fair.
- 7 of the 187 bridges in Park County, Wyoming, are rated in poor condition (3.7%) in the 2025 National Bridge Inventory, as of .
- 65 bridges (34.8%) are rated good and 115 (61.5%) fair.
- The median Park County bridge was built in 1975.
- The busiest poor-rated bridge is Northeast Entrance over Yellowstone River (built 1961), carrying about 1,982 vehicles a day.
Good 34.8% · Fair 61.5% · Poor 3.7% of 187 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 |
|---|---|---|---|
| Northeast Entrance over Yellowstone River | 1961 | 1,982 | Poor |
| Pa Cnty Rd L9A over Bitter Creek | 1937 | 1,493 | Poor |
| Pa Cnty Rd R6A over Bitter Creek | 1966 | 331 | Poor |
| Pa Cnty Rd 1WAW over Polecat Creek | 1970 | 130 | Poor |
| Hayden Arch Road over Shoshone River | 1924 | 100 | Poor |
| Pa Cnty Rd 3XQ over Greybull River | 1955 | 53 | Poor |
| Fdr over Little Rock Creek | 1976 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Sulphur Creek | 1955 | 18,836 | Fair |
| US 14 over Beck Lake | 1970 | 7,543 | Fair |
| US 14A over Shoshone River | 1957 | 7,206 | Fair |
| US 14A over Sage Creek | 2014 | 7,206 | Good |
| US 14A over Alkali Creek | 2005 | 5,874 | Fair |
| US 14A over Garland Canal | 2005 | 5,874 | Fair |
| US 14A over Garland Canal | 2010 | 5,874 | Fair |
| US 14A over Iron Creek | 2010 | 5,874 | Good |
| US 14A over Buck Creek | 2010 | 5,874 | Fair |
| Beartooth Highway over Beartooth Ravine | 2023 | 4,800 | 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.