I-405 NB Hov over I-90 Factoria

Fair Condition57 years old10,114 vehicles/day

Location

StateWashington
CountyKing
Location5.7 N Jct SR 900
CarriesI-405 NB Hov
CrossesI-90 Factoria
Coordinates47.57976, -122.17447

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length525.9 ft (160.3 m)
Max Span116.1 ft (35.4 m)
Deck Width41.0 ft (12.5 m)
Deck Area2003.8 sq m
Main Spans6
Year Built1969 (reconstructed 1995)

Traffic

Avg Daily Traffic10,114 (2023)
Truck Traffic6%
Lanes On Bridge1
Lanes Under Bridge15

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008190G0000000

Nearby Bridges

I-405 over I-90 Factoria 0.0 mi Fair I-90 Ramp To I-405 over I-90 Mainline 0.0 mi Fair I-405 over I-90 0.0 mi Good 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 W-n Ramp To I-405 over S-w Ramp To I-90 0.1 mi Fair I-405 Ramp over EB I-90 Ramp 0.2 mi Good I-90 Ramp over Mercer Slough I-90 0.2 mi Good I-90 over Richards RD 0.2 mi Good I-90 over Richards RD 0.2 mi Fair