I-90 over Big CR

Fair Condition53 years old16,832 vehicles/day

Location

StateWashington
CountyKittitas
Location20.6 E Jct SR 906
CarriesI-90
CrossesBig CR
Coordinates47.21212, -121.10386

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length55.1 ft (16.8 m)
Max Span49.9 ft (15.2 m)
Deck Width41.0 ft (12.5 m)
Deck Area210 sq m
Main Spans1
Year Built1973

Traffic

Avg Daily Traffic16,832 (2023)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0009428A0000000

Nearby Bridges

I-90 over Big CR 0.0 mi Good I-90 WB over Drainage Ditch 0.4 mi Good Nelson Siding Road over Big Creek 0.7 mi Good Storie Lane over Little Creek 1.2 mi Good Nelson Siding Road over Little Creek 1.2 mi Good I-90 over Little Creek 1.2 mi Fair Hundley Road over Little Creek 1.2 mi Fair I-90 over Little Creek 1.2 mi Good I-90 over W Nelson Siding RD 1.3 mi Fair I-90 over W Nelson Siding RD 1.3 mi Fair