SR 507 over Skookumchuck River

Good Condition55 years old2,894 vehicles/day

Location

StateWashington
CountyThurston
Location0.7 N Lewis Co
CarriesSR 507
CrossesSkookumchuck River
Coordinates46.77200, -122.92369

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway4 (Poor)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length180.1 ft (54.9 m)
Max Span86.9 ft (26.5 m)
Deck Width35.8 ft (10.9 m)
Deck Area598.4 sq m
Main Spans2
Year Built1971

Traffic

Avg Daily Traffic2,894 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0009006A0000000

Nearby Bridges