SW Spokane ST over Duwamish River W Waterwy

Fair Condition43 years old108,179 vehicles/day

Location

StateWashington
CountyKing
Location1200 SW Spokane ST
CarriesSW Spokane ST
CrossesDuwamish River W Waterwy
Coordinates47.57111, -122.35000

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length1339.9 ft (408.4 m)
Max Span589.9 ft (179.8 m)
Deck Width106.0 ft (32.3 m)
Deck Area13191.3 sq m
Main Spans3
Year Built1983

Traffic

Avg Daily Traffic108,179 (2020)
Truck Traffic8%
Lanes On Bridge6

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number085302000000000

Nearby Bridges