Grays Harbor County Bridge Report Card

Grays Harbor County scores 50 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F50 / 100
Local infrastructure snapshot

Grays Harbor County, Washington

Grays Harbor County has 371 bridges in the National Bridge Inventory, with 31 rated poor and 47 rated scour-critical. Its poor-condition share of 8.4% is above the 5.6% statewide average. Poor-condition bridges carry about 150,759 daily vehicle crossings.

371Total Bridges
31Poor (8.4%)
152Fair (41.0%)
47Scour-Critical

Quote-Ready Local Facts

8.4%of county bridges are in poor condition, compared with 5.6% statewide and 6.7% nationally.
150,759daily vehicle crossings are on poor-condition bridges in the county.
47bridges are rated scour-critical, or 12.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Grays Harbor County a Bridge Condition Exposure Score of 50/100 (F). The county has 371 bridges in the National Bridge Inventory, including 31 in poor condition and 47 rated scour-critical. Poor-condition bridges carry about 150,759 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 share408.4%16.7
Poor-condition traffic exposure2517.6% of measured traffic13.2
Scour-critical bridge share2012.7%20.0
Average age vs national baseline1047 years vs 48 nationally0.0
Traffic-data completeness5856,134 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 Share8.4%
State Poor-Condition Share5.6%
National Poor-Condition Share6.7%
County Scour-Critical Share12.7%
Average Bridge Age47 years
Poor-Condition Traffic Exposure150,759 vehicles/day

Bridges to Watch

Top Bridges to Watch in Grays Harbor County

BridgeReasonConditionDaily TrafficYear Built
US 101 over Chehalis RiverPoor condition + traffic exposurePoor26,2161955
US 12 over Wynoochee RiverPoor condition + traffic exposurePoor21,4661935
Ocean Beach Road over Berg SloughPoor condition + traffic exposurePoor2,6221964
Ocean Beach Road over Copalis RiverPoor condition + traffic exposurePoor2,4461972
Monte Elma Road over Newman CreekPoor condition + traffic exposurePoor2,1941922
Elma Mccleary Road over Middle Fork Wildcat CreePoor condition + traffic exposurePoor1,3251921
Elma Hicklin Road over Middle Br Wildcat CreekPoor condition + traffic exposurePoor8041951
Elma Hicklin Road over Middle Branch Wildcat CkPoor condition + traffic exposurePoor8041951
Cranberry Road over Drainage DitchPoor condition + traffic exposurePoor6121971
Camp Creek Road over Camp CreekPoor condition + traffic exposurePoor4371971

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.