Adams County Bridge Report Card

Adams County scores 44 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F44 / 100
Local infrastructure snapshot

Adams County, Washington

Adams County has 187 bridges in the National Bridge Inventory, with 23 rated poor and 3 rated scour-critical. Its poor-condition share of 12.3% is above the 5.6% statewide average. Poor-condition bridges carry about 84,846 daily vehicle crossings.

187Total Bridges
23Poor (12.3%)
99Fair (52.9%)
3Scour-Critical

Quote-Ready Local Facts

12.3%of county bridges are in poor condition, compared with 5.6% statewide and 6.7% nationally.
84,846daily vehicle crossings are on poor-condition bridges in the county.
3bridges are rated scour-critical, or 1.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Adams County a Bridge Condition Exposure Score of 44/100 (F). The county has 187 bridges in the National Bridge Inventory, including 23 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 84,846 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share4012.3%24.6
Poor-condition traffic exposure2528.7% of measured traffic21.5
Scour-critical bridge share201.6%3.2
Average age vs national baseline1065 years vs 48 nationally6.7
Traffic-data completeness5295,388 measured daily crossings0.0

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 Share12.3%
State Poor-Condition Share5.6%
National Poor-Condition Share6.7%
County Scour-Critical Share1.6%
Average Bridge Age65 years
Poor-Condition Traffic Exposure84,846 vehicles/day

Bridges to Watch

Top Bridges to Watch in Adams County

BridgeReasonConditionDaily TrafficYear Built
I-90 over Bnsf RailroadPoor condition + traffic exposurePoor10,6671968
I-90 over Bnsf RailroadPoor condition + traffic exposurePoor10,6671968
I-90 over SR 261Poor condition + traffic exposurePoor8,4051958
I-90 over Damon RDPoor condition + traffic exposurePoor6,0181972
I-90 over Wahl RDPoor condition + traffic exposurePoor6,0001972
I-90 over N Paha Packard RDPoor condition + traffic exposurePoor5,9501972
I-90 over SR 21Poor condition + traffic exposurePoor5,8971972
I-90 over SR 21Poor condition + traffic exposurePoor5,8971972
SR 24 over Potholes East CanalPoor condition + traffic exposurePoor5,6981976
SR 24 over Sagehill WastewayPoor condition + traffic exposurePoor4,9701965

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.