I-90 over Richards RD

Good Condition58 years old69,741 vehicles/day

Location

StateWashington
CountyKing
Location0.2 E Jct I-405
CarriesI-90
CrossesRichards RD
Coordinates47.58011, -122.16933

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length213.9 ft (65.2 m)
Max Span78.1 ft (23.8 m)
Deck Width95.5 ft (29.1 m)
Deck Area1897.3 sq m
Main Spans3
Year Built1968

Traffic

Avg Daily Traffic69,741 (2023)
Truck Traffic3%
Lanes On Bridge6
Lanes Under Bridge7

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008190A0000000

Nearby Bridges

I-90 over Richards RD 0.0 mi Fair I-90 over W-s Ramp Richard RD 0.1 mi Good I-405 Ramp over EB I-90 Ramp 0.1 mi Good 405 NE Ramp over NE Ramp Over Ped Path 0.1 mi Good W-n Ramp To I-405 over S-w Ramp To I-90 0.1 mi Fair I-90 W-s Ramp over I-90 Mainline 0.2 mi Fair I-405 over I-90 Factoria 0.2 mi Fair I-405 NB Hov over I-90 Factoria 0.2 mi Fair I-405 over I-90 0.3 mi Good I-90 Ramp To I-405 over I-90 Mainline 0.3 mi Fair