Klickitat County Bridge Report Card
Klickitat County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Klickitat County, Washington
Klickitat County has 91 bridges in the National Bridge Inventory, with 6 rated poor and 7 rated scour-critical. Its poor-condition share of 6.6% is above the 5.6% statewide average. Poor-condition bridges carry about 17,218 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Klickitat County a Bridge Condition Exposure Score of 59/100 (F). The county has 91 bridges in the National Bridge Inventory, including 6 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 17,218 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 | 6.6% | 13.2 |
| Poor-condition traffic exposure | 25 | 15.8% of measured traffic | 11.9 |
| Scour-critical bridge share | 20 | 7.7% | 15.4 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.8 |
| Traffic-data completeness | 5 | 108,789 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 | 6.6% |
| State Poor-Condition Share | 5.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 7.7% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 17,218 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Klickitat County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 97 over Swale Creek | Poor condition + traffic exposure | Poor | 6,760 | 1960 |
| US 97 over Kusshi CR | Poor condition + traffic exposure | Poor | 4,013 | 1945 |
| US 97 over Bickleton RD | Poor condition + traffic exposure | Poor | 5,310 | 1972 |
| SR 14 over Alder Creek | Poor condition + traffic exposure | Poor | 936 | 1965 |
| Project And Public over The Dalles Dam | Poor condition + traffic exposure | Poor | 100 | 1956 |
| Seventh Street over Burlington Northern Rr | Poor condition + traffic exposure | Poor | 99 | 1994 |
| US 97 over Columbia River | Scour-critical foundation rating | Fair | 6,212 | 1962 |
| US 97 over Little Klickitat River | Scour-critical foundation rating | Fair | 5,532 | 1956 |
| SR 141 over Rattlesnake Creek | Scour-critical foundation rating | Good | 3,793 | 1947 |
| Centerville Hwy. over Swale Creek | Scour-critical foundation rating | Fair | 244 | 1995 |
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.