I-90 EB over Humpback Creek

Poor Condition54 years old18,894 vehicles/day

Location

StateWashington
CountyKing
Location17.5 E Jct SR 202
CarriesI-90 EB
CrossesHumpback Creek
Coordinates47.39333, -121.47333

Condition Ratings

Overall ConditionPoor
Channel/Waterway6 (Satisfactory)
Culvert4 (Poor)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length24.0 ft (7.3 m)
Max Span11.5 ft (3.5 m)
Deck Area148.9 sq m
Main Spans2
Year Built1972 (reconstructed 1986)

Traffic

Avg Daily Traffic18,894 (2023)
Truck Traffic18%
Lanes On Bridge4

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number002000170000000

Nearby Bridges

Road over S Fk Snoqualmie River 0.1 mi Fair I-90 over S Fk Snoqualmie R 0.1 mi Fair I-90 over County Road(old I-90) 0.2 mi Fair Hansen CR RD over I-90 0.4 mi Good Tinkham Road over S.fk. Snoqualmie River 0.4 mi Fair EB I-90 over Olallie Creek 0.5 mi Fair Road over S Fk Snoqualmie River 1.7 mi Good I-90 WB over Talapus CR Tributary 1.8 mi Good I-90 EB over Talapus CR Tributary 1.8 mi Good I-90 EB over Talapus Creek 1.9 mi Good