I-90 over West Side Canal

Good Condition60 years old14,959 vehicles/day

Location

StateWashington
CountyKittitas
Location14.7 E Jct SR 970
CarriesI-90
CrossesWest Side Canal
Coordinates47.05792, -120.67685

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length30.8 ft (9.4 m)
Max Span27.9 ft (8.5 m)
Deck Width40.0 ft (12.2 m)
Deck Area114.7 sq m
Main Spans1
Year Built1966

Traffic

Avg Daily Traffic14,959 (2023)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last Inspection223
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0007904B0000000

Nearby Bridges

I-90 over West Side Canal 0.0 mi Poor Thorp HWY over I-90 0.6 mi Fair South Thorp HWY over Westside Ditch 1.0 mi Fair I-90 over Yakima River 2.0 mi Fair I-90 over Yakima River 2.0 mi Fair Howard Road over Dry Creek 2.6 mi Fair I-90 over Cascade Canal Overflow 2.7 mi Fair I-90 over Cascade Canal Overflow 2.7 mi Fair US 97 over Cascade Canal 2.7 mi Good Clarke Road over Dry Creek 3.0 mi Fair