Asotin County Bridge Report Card
Asotin County scores 79 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Asotin County, Washington
Asotin County has 28 bridges in the National Bridge Inventory, with 0 rated poor and 3 rated scour-critical. Its poor-condition share of 0.0% is at or below the 5.6% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Asotin County a Bridge Condition Exposure Score of 79/100 (C). The county has 28 bridges in the National Bridge Inventory, including 0 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 0 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 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 10.7% | 20.0 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.1 |
| Traffic-data completeness | 5 | 82,364 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 | 0.0% |
| State Poor-Condition Share | 5.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 10.7% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Asotin County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 12 over Snake River | Scour-critical foundation rating | Fair | 21,000 | 1939 |
| SR 129 over Asotin Creek | Scour-critical foundation rating | Good | 4,450 | 1956 |
| Second St. over Asotin Creek | Scour-critical foundation rating | Fair | 500 | 1920 |
| Fleshman Way over Snake River | High traffic | Fair | 21,000 | 1982 |
| Fleshman Way over State Route 129 | High traffic | Good | 17,789 | 1982 |
| 13th Street over Fleshman Way | High traffic | Good | 6,167 | 1997 |
| SR 128 over Snake River | High traffic | Fair | 5,160 | 1979 |
| US 12 over Alpowa CR | High traffic | Fair | 3,159 | 1975 |
| County Road 2090 over Ten Mile Crk | High traffic | Good | 501 | 2011 |
| County Road 1100 over Maguire Gulch | High traffic | Fair | 412 | 1948 |
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.