Sheridan County Bridge Report Card
Sheridan County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Sheridan County, Wyoming
Sheridan County has 170 bridges in the National Bridge Inventory, with 9 rated poor and 3 rated scour-critical. Its poor-condition share of 5.3% is at or below the 7.1% statewide average. Poor-condition bridges carry about 22,243 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Sheridan County a Bridge Condition Exposure Score of 80/100 (B). The county has 170 bridges in the National Bridge Inventory, including 9 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 22,243 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 | 5.3% | 10.6 |
| Poor-condition traffic exposure | 25 | 6.1% of measured traffic | 4.6 |
| Scour-critical bridge share | 20 | 1.8% | 3.5 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.9 |
| Traffic-data completeness | 5 | 364,917 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 | 5.3% |
| State Poor-Condition Share | 7.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.8% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 22,243 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Sheridan County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| E Heald Street over Little Goose Creek | Poor condition + traffic exposure | Poor | 1,708 | 1970 |
| 5th Street over Big Goose Creek | Poor condition + traffic exposure | Poor | 9,363 | 1968 |
| I-90 Ebl over Wyo 342 | Poor condition + traffic exposure | Poor | 3,624 | 1968 |
| N Brooks Street over Little Goose Creek | Poor condition + traffic exposure | Poor | 3,068 | 1970 |
| I-90 Wbl over Machinery Pass | Poor condition + traffic exposure | Poor | 2,158 | 1983 |
| W 11th Street over Big Goose Creek | Poor condition + traffic exposure | Poor | 1,757 | 1981 |
| E Works Street over Little Goose Creek | Poor condition + traffic exposure | Poor | 409 | 1970 |
| SH Cnty RD 140 over Bnsf Railway | Poor condition + traffic exposure | Poor | 136 | 1916 |
| SH Cnty RD 103 over Little Goose Creek | Poor condition + traffic exposure | Poor | 20 | 1961 |
| US 87 Bus over Little Goose Creek | Scour-critical foundation rating | Fair | 1,679 | 1946 |
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.