W.b. I-90 over Lake Washington

Fair Condition37 years old68,544 vehicles/day

Location

StateWashington
CountyKing
Location3.0 E Jct I-5
CarriesW.b. I-90
CrossesLake Washington
Coordinates47.58975, -122.25875

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length1472.1 ft (448.7 m)
Max Span235.9 ft (71.9 m)
Deck Width63.0 ft (19.2 m)
Deck Area8615.0 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic68,544 (2023)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0012833C0000000

Nearby Bridges

EB I-90 over Lake Washington 0.1 mi Good 72nd AVE SE over First Hill Lid 0.7 mi Good City ST - 76th AVE over I-90 1.0 mi Good W.b. & Rev I-90 over Lake Washington 1.1 mi Poor 77th AVE SE over I-90 1.1 mi Good I-90 over Lake Washington 1.1 mi Poor 80th AVE over I-90 1.3 mi Fair I-90 EB On Ramp over Relief 1.3 mi Good WB I-90 Ramp over Relief 1.3 mi Good SE 28th ST over I-90 E-s Ramp 1.3 mi Good