SR 203 over Slough

Fair Condition81 years old7,813 vehicles/day

Location

StateWashington
CountyKing
Location1.3 N Jct SR 202
CarriesSR 203
CrossesSlough
Coordinates47.58446, -121.89944

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length68.9 ft (21 m)
Max Span18.0 ft (5.5 m)
Deck Width39.0 ft (11.9 m)
Deck Area249.9 sq m
Main Spans4
Year Built1945

Traffic

Avg Daily Traffic7,813 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0002999F0000000

Nearby Bridges