SW Spokane ST over Duwamish River E Waterwy

Fair Condition50 years old8,800 vehicles/day

Location

StateWashington
CountyKing
Location800 SW Spokane ST
CarriesSW Spokane ST
CrossesDuwamish River E Waterwy
Coordinates47.57151, -122.34627

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length484.9 ft (147.8 m)
Max Span87.9 ft (26.8 m)
Deck Width70.5 ft (21.5 m)
Deck Area3177.7 sq m
Main Spans6
Year Built1976

Traffic

Avg Daily Traffic8,800 (2018)
Truck Traffic35%
Lanes On Bridge5

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number085298000000000

Nearby Bridges