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.
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.
Quote-Ready Local Facts
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.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 8.4% | 16.7 |
| Poor-condition traffic exposure | 25 | 17.6% of measured traffic | 13.2 |
| Scour-critical bridge share | 20 | 12.7% | 20.0 |
| Average age vs national baseline | 10 | 47 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 856,134 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 | 8.4% |
| State Poor-Condition Share | 5.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 12.7% |
| Average Bridge Age | 47 years |
| Poor-Condition Traffic Exposure | 150,759 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grays Harbor County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 101 over Chehalis River | Poor condition + traffic exposure | Poor | 26,216 | 1955 |
| US 12 over Wynoochee River | Poor condition + traffic exposure | Poor | 21,466 | 1935 |
| Ocean Beach Road over Berg Slough | Poor condition + traffic exposure | Poor | 2,622 | 1964 |
| Ocean Beach Road over Copalis River | Poor condition + traffic exposure | Poor | 2,446 | 1972 |
| Monte Elma Road over Newman Creek | Poor condition + traffic exposure | Poor | 2,194 | 1922 |
| Elma Mccleary Road over Middle Fork Wildcat Cree | Poor condition + traffic exposure | Poor | 1,325 | 1921 |
| Elma Hicklin Road over Middle Br Wildcat Creek | Poor condition + traffic exposure | Poor | 804 | 1951 |
| Elma Hicklin Road over Middle Branch Wildcat Ck | Poor condition + traffic exposure | Poor | 804 | 1951 |
| Cranberry Road over Drainage Ditch | Poor condition + traffic exposure | Poor | 612 | 1971 |
| Camp Creek Road over Camp Creek | Poor condition + traffic exposure | Poor | 437 | 1971 |
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.