SR 18 over Cmstpp Rr

Good Condition71 years old50,541 vehicles/day

Location

StateWashington
CountyKing
Location0.6 E Jct SR 167
CarriesSR 18
CrossesCmstpp Rr
Coordinates47.30303, -122.23975

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length279.9 ft (85.3 m)
Max Span77.1 ft (23.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area861.5 sq m
Main Spans6
Year Built1955

Traffic

Avg Daily Traffic50,541 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0004896A0000000

Nearby Bridges

SR 18 over Up Rr 0.0 mi Good SR 18 over Npry & City Streets 0.3 mi Fair 3rd ST SW over C ST SW 0.3 mi Fair W-w Ramp/3rd ST over C ST SW 0.3 mi Good 3rd ST SW over Sound Transit P&r Access 0.4 mi Fair 3rd ST SW over Bnsf Rr 0.4 mi Fair 3rd ST SW over A ST SW 0.4 mi Fair W Main ST over SR 167 0.6 mi Fair SR 167 Ramp over SR 18 0.6 mi Fair SR 167 NB over SR 18 0.6 mi Good