Park County Bridge Report Card
Park County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Park County, Wyoming
Park County has 187 bridges in the National Bridge Inventory, with 7 rated poor and 6 rated scour-critical. Its poor-condition share of 3.7% is at or below the 7.1% statewide average. Poor-condition bridges carry about 4,139 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Park County a Bridge Condition Exposure Score of 85/100 (B). The county has 187 bridges in the National Bridge Inventory, including 7 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 4,139 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 3.7% | 7.5 |
| Poor-condition traffic exposure | 25 | 1.6% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 3.2% | 6.4 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 265,181 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 3.7% |
| State Poor-Condition Share | 7.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.2% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 4,139 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Park County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Northeast Entrance over Yellowstone River | Poor condition + traffic exposure | Poor | 1,982 | 1961 |
| Fdr over Little Rock Creek | Poor condition + traffic exposure | Poor | 50 | 1976 |
| Pa Cnty RD L9a over Bitter Creek | Poor condition + traffic exposure | Poor | 1,493 | 1937 |
| Pa Cnty RD R6a over Bitter Creek | Poor condition + traffic exposure | Poor | 331 | 1966 |
| Pa Cnty RD 1waw over Polecat Creek | Poor condition + traffic exposure | Poor | 130 | 1970 |
| Hayden Arch Road over Shoshone River | Poor condition + traffic exposure | Poor | 100 | 1924 |
| Pa Cnty RD 3xq over Greybull River | Poor condition + traffic exposure | Poor | 53 | 1955 |
| Beartooth Highway over Fox Creek | Scour-critical foundation rating | Fair | 1,775 | 1963 |
| Beartooth Highway over Crazy Creek | Scour-critical foundation rating | Fair | 1,775 | 1965 |
| Beartooth Highway over Index Creek | Scour-critical foundation rating | Fair | 1,600 | 1963 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.