Sublette County Bridge Report Card
Sublette County scores 75 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Sublette County, Wyoming
Sublette County has 110 bridges in the National Bridge Inventory, with 11 rated poor and 1 rated scour-critical. Its poor-condition share of 10.0% is above the 7.1% statewide average. Poor-condition bridges carry about 5,612 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Sublette County a Bridge Condition Exposure Score of 75/100 (C). The county has 110 bridges in the National Bridge Inventory, including 11 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 5,612 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 | 10.0% | 20.0 |
| Poor-condition traffic exposure | 25 | 4.5% of measured traffic | 3.4 |
| Scour-critical bridge share | 20 | 0.9% | 1.8 |
| Average age vs national baseline | 10 | 39 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 124,356 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 | 10.0% |
| State Poor-Condition Share | 7.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.9% |
| Average Bridge Age | 39 years |
| Poor-Condition Traffic Exposure | 5,612 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Sublette County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| BLM Road 4116 over Big Sandy River | Poor condition + traffic exposure | Poor | 60 | 1982 |
| US 191 over Hoback River | Poor condition + traffic exposure | Poor | 2,509 | 1965 |
| US 189 over Prairie Creek | Poor condition + traffic exposure | Poor | 1,434 | 1981 |
| SB Cnty RD 123 over New Fork River | Poor condition + traffic exposure | Poor | 869 | 1995 |
| SB Cnty RD 136 over New Fork River | Poor condition + traffic exposure | Poor | 269 | 1989 |
| Forest Road 30530 over Cliff Creek | Poor condition + traffic exposure | Poor | 150 | 1974 |
| SB Cnty RD 141 over Piney Creek | Poor condition + traffic exposure | Poor | 131 | 1986 |
| Forest Road 10389 over North Horse Creek | Poor condition + traffic exposure | Poor | 50 | 1956 |
| Forest Road 10299 over Dutch Joe Creek | Poor condition + traffic exposure | Poor | 50 | 1956 |
| Forest Road 10099 over New Fk. Lk. Spillway | Poor condition + traffic exposure | Poor | 50 | 1958 |
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.