Lower Imnaha Road over Imnaha River

Good Condition20 years old103 vehicles/day

Location

StateOregon
CountyWallowa
Location5.1 Mi N Of HWY 350
CarriesLower Imnaha Road
CrossesImnaha River
Coordinates45.63120, -116.84682

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length86.0 ft (26.2 m)
Max Span84.0 ft (25.6 m)
Deck Width24.0 ft (7.3 m)
Deck Area191.3 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic103 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number20388 073503500