SR 18 over Lake Creek

Good Condition3 years old12,687 vehicles/day

Location

StateWashington
CountyKing
Location12.0 E Jct SR 169
CarriesSR 18
CrossesLake Creek
Coordinates47.50405, -121.88464

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length54.1 ft (16.5 m)
Max Span44.9 ft (13.7 m)
Deck Width73.2 ft (22.3 m)
Deck Area367.9 sq m
Main Spans1
Year Built2023

Traffic

Avg Daily Traffic12,687 (2023)
Truck Traffic17%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0019572C0000000

Nearby Bridges

I-90 over SR 18 0.3 mi Fair I-90 over SR 18 0.3 mi Fair Upper Preston RD over Lake Creek 0.9 mi Fair SR 18 over Raging River 1.3 mi Good I-90 over Game Crossing 1.4 mi Poor I-90 over Game Crossing 1.4 mi Fair I-90 over W Snoqualmie Ic 1.8 mi Good I-90 over W Snoqualmie Ic 1.8 mi Fair I-90 over Raging River 2.1 mi Poor I-90 over Raging River 2.2 mi Good