I-90 over Naneum CR

Good Condition56 years old9,167 vehicles/day

Location

StateWashington
CountyKittitas
Location1.2 E Jct I-82
CarriesI-90
CrossesNaneum CR
Coordinates46.97056, -120.48417

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.9 ft (7.6 m)
Max Span11.2 ft (3.4 m)
Deck Area83.6 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic9,167 (2023)
Truck Traffic28%
Lanes On Bridge4

Inspection & Ownership

Last Inspection222
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number002000550000000

Nearby Bridges

I-90 over Coleman CR 0.5 mi Good County RD No 6 over I-90 0.7 mi Good Kittitas HWY over Naneum Creek 1.1 mi Good Kittitas HWY over Town Ditch 1.1 mi Good I-82 EB over E-e Ramp 1.2 mi Fair I-82 over I-90 1.3 mi Poor I-82 over E-e Ramp I-90 1.3 mi Poor Kittitas HWY over Coleman Creek 1.3 mi Good Tjossem RD over I-82 1.4 mi Good Number 6 Road over Town Canal 1.5 mi Good