I-90 over Denny Creek

Fair Condition45 years old18,894 vehicles/day

Location

StateWashington
CountyKing
Location19.8 E Jct SR 202
CarriesI-90
CrossesDenny Creek
Coordinates47.41786, -121.44530

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical9 — Foundation above flood level

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignSegmental Box Girder
Total Length3620.1 ft (1103.4 m)
Max Span188.0 ft (57.3 m)
Deck Width55.1 ft (16.8 m)
Deck Area18537.1 sq m
Main Spans20
Year Built1981

Traffic

Avg Daily Traffic18,894 (2023)
Truck Traffic18%
Lanes On Bridge3

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number0010200A0000000

Nearby Bridges

Road over S Fk Snoqualmie River 0.3 mi Fair I-90 over Avalanche Path 0.7 mi Fair Road over S Fk Snoqualmie River 0.8 mi Good I-90 WB over So Fk Snoqulmie R 1.4 mi Poor I-90 over SR 906 W-w Ramp 1.5 mi Poor I-90 over Yellowstone RD 1.6 mi Poor EB I-90 over Olallie Creek 1.8 mi Fair Road over S Fk Snoqualmie River 2.1 mi Fair I-90 over County Road(old I-90) 2.1 mi Fair I-90 EB over Humpback Creek 2.1 mi Poor