I-405 over I-90 Factoria

Fair Condition57 years old48,783 vehicles/day

Location

StateWashington
CountyKing
Location5.7 N Jct SR 900
CarriesI-405
CrossesI-90 Factoria
Coordinates47.57939, -122.17414

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length602.0 ft (183.5 m)
Max Span133.9 ft (40.8 m)
Deck Width41.0 ft (12.5 m)
Deck Area2293.8 sq m
Main Spans5
Year Built1969 (reconstructed 1995)

Traffic

Avg Daily Traffic48,783 (2023)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge15

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008190F0000000

Nearby Bridges

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