US 101 over Skidmore Slough

Good Condition46 years old8,012 vehicles/day

Location

StateWashington
CountyPacific
Location26.9 N Jct SR 4
CarriesUS 101
CrossesSkidmore Slough
Coordinates46.67103, -123.77744

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length211.9 ft (64.6 m)
Max Span71.9 ft (21.9 m)
Deck Width44.0 ft (13.4 m)
Deck Area865.6 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic8,012 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0011758A0000000

Nearby Bridges