SR 203 over Slough

Fair Condition81 years old10,190 vehicles/day

Location

StateWashington
CountyKing
Location16.2 N Jct SR 202
CarriesSR 203
CrossesSlough
Coordinates47.75611, -121.97608

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length58.1 ft (17.7 m)
Max Span18.0 ft (5.5 m)
Deck Width38.7 ft (11.8 m)
Deck Area208.9 sq m
Main Spans3
Year Built1945

Traffic

Avg Daily Traffic10,190 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0002999L0000000

Nearby Bridges