I-90 over 424th AVE SE

Fair Condition50 years old24,954 vehicles/day

Location

StateWashington
CountyKing
Location1.5 E Jct SR 202
CarriesI-90
Crosses424th AVE SE
Coordinates47.47361, -121.77481

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length120.1 ft (36.6 m)
Max Span51.8 ft (15.8 m)
Deck Width55.1 ft (16.8 m)
Deck Area614.9 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic24,954 (2023)
Truck Traffic18%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0010124B0000000

Nearby Bridges

I-90 over 424th AVE SE 0.0 mi Fair I-90 over S Fk Snoqualmie River 0.2 mi Good I-90 over S Fk Snoqualmie River 0.3 mi Good 436th AVE SE over I-90 0.8 mi Fair 436th AVE SE over S Fk Snoqualmie 0.9 mi Fair SE Mt. Si RD over Mf Snoqualmie R 1.2 mi Good SW Mt Si BLVD over Ribary Creek 1.3 mi Fair I-90 over Bnrr (removed) 1.4 mi Fair I-90 over Bnrr (removed) 1.4 mi Fair I-90 over SR 202 1.5 mi Fair