S 129th ST over I-5

Poor Condition60 years old6,386 vehicles/day

Location

StateWashington
CountyKing
Location0.5 N Jct SR 599
CarriesS 129th ST
CrossesI-5
Coordinates47.48906, -122.26406

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure4 (Poor)
Substructure4 (Poor)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length930.1 ft (283.5 m)
Max Span154.9 ft (47.2 m)
Deck Width33.5 ft (10.2 m)
Deck Area2891.7 sq m
Main Spans6
Year Built1966

Traffic

Avg Daily Traffic6,386 (2017)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge10

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0007843A0000000

Nearby Bridges

I-5 over Duwamish R Rr City ST 0.2 mi Fair I-5 over Duwamish R Rr City ST 0.2 mi Fair 56th AVE So over Duwamish River 0.5 mi Fair I-5 over Interurban AVE 0.5 mi Fair I-5 over Interurban AVE 0.5 mi Fair I-5 SB Hov Lane over Interurban AVE 0.5 mi Good SR 599 over I-5 (sb Lanes Only) 0.6 mi Good SR 599 over 133rd ST 0.6 mi Fair SR 599 over 133rd ST 0.6 mi Good I-5 P1 15559 Ramp over I-5 Hov Lane 0.6 mi Fair