Nelson Siding Road over Big Creek

Good Condition14 years old643 vehicles/day

Location

StateWashington
CountyKittitas
Location01.45 SE Of I-90
CarriesNelson Siding Road
CrossesBig Creek
Coordinates47.20408, -121.11238

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length69.9 ft (21.3 m)
Max Span67.9 ft (20.7 m)
Deck Width32.2 ft (9.8 m)
Deck Area208.7 sq m
Main Spans1
Year Built2012

Traffic

Avg Daily Traffic643 (2022)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number088516000000000

Nearby Bridges

I-90 over Big CR 0.7 mi Fair I-90 over Big CR 0.7 mi Good I-90 WB over Drainage Ditch 0.7 mi Good Storie Lane over Little Creek 1.1 mi Good Nelson Siding Road 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 I-90 over Little Creek 1.5 mi Fair I-90 over Little Creek 1.5 mi Good Hundley Road over Little Creek 1.5 mi Fair