I-90 Westbound over Sound Transit Railroad

Good Condition38 years old56,847 vehicles/day

Location

StateWashington
CountyKing
Location0.3 E Jct I-5
CarriesI-90 Westbound
CrossesSound Transit Railroad
Coordinates47.59506, -122.31475

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length345.1 ft (105.2 m)
Max Span166.0 ft (50.6 m)
Deck Width75.1 ft (22.9 m)
Deck Area2409.1 sq m
Main Spans3
Year Built1988

Traffic

Avg Daily Traffic56,847 (2023)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0013024A0000000

Nearby Bridges

12th AVE S over I-90 0.1 mi Fair I-90 Wcd Ramp over Ramps Rail City Street 0.1 mi Fair 12 AVE S over Dearborn ST 0.1 mi Fair Dearborn-n Ramp over I-5 Nbcd 0.2 mi Good I-5 Nbcd over Dearborn ST 0.2 mi Fair I-90 W-s Ramp over I-5 0.3 mi Good I-90 EB over I-90 WB 0.3 mi Fair I-5 over Dearborn ST 0.3 mi Fair I-5 over Dearborn ST 0.3 mi Good I-5 S-e Ramp over I-5 Ramps Railroad 0.3 mi Fair