I-90 W-n Ramp over I-90 Wbcd

Fair Condition57 years old8,688 vehicles/day

Location

StateWashington
CountyKing
Location6.4 E Jct I-5
CarriesI-90 W-n Ramp
CrossesI-90 Wbcd
Coordinates47.58008, -122.18342

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length1331.0 ft (405.7 m)
Max Span111.9 ft (34.1 m)
Deck Width26.2 ft (8 m)
Deck Area3245.6 sq m
Main Spans14
Year Built1969

Traffic

Avg Daily Traffic8,688 (2012)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008610G0000000

Nearby Bridges

I-90 over Mercer Slough 0.1 mi Fair I-90 over Mercer Slough 0.1 mi Fair I-90 over Mercer Slough 0.2 mi Fair I-90 Ramp over Mercer Slough I-90 0.2 mi Good I-90 S-e Ramp over I-90 Mercer Slough 0.3 mi Fair I-90 over Mercer Sl 0.3 mi Poor I-90 over Mercer Slough 0.3 mi Poor I-90 Ramp To I-405 over I-90 Mainline 0.4 mi Fair I-405 over I-90 0.4 mi Good I-405 NB Hov over I-90 Factoria 0.4 mi Fair