12th AVE S over I-90

Fair Condition58 years old18,400 vehicles/day

Location

StateWashington
CountyKing
Location0.2 E Jct I-5
Carries12th AVE S
CrossesI-90
Coordinates47.59443, -122.31682

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length366.1 ft (111.6 m)
Max Span126.0 ft (38.4 m)
Deck Width65.0 ft (19.8 m)
Deck Area2209.7 sq m
Main Spans4
Year Built1968

Traffic

Avg Daily Traffic18,400 (2012)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge17

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008155F0000000

Nearby Bridges

I-90 Wcd Ramp over Ramps Rail City Street 0.0 mi Fair Dearborn-n Ramp over I-5 Nbcd 0.1 mi Good 12 AVE S over Dearborn ST 0.1 mi Fair I-90 Westbound over Sound Transit Railroad 0.1 mi Good I-90 W-s Ramp over I-5 0.1 mi Good I-90 EB over I-90 WB 0.2 mi Fair I-5 Nbcd over Dearborn ST 0.2 mi Fair I-5 over Dearborn ST 0.2 mi Fair I-5 over Dearborn ST 0.2 mi Good I-5 over Sdot Maintenance Yard 0.2 mi Good