IRR C106 over Ninemile Slough

Good Condition20 years old179 vehicles/day

Location

StateOregon
CountyHarney
Location046 US HWY 20
CarriesIRR C106
CrossesNinemile Slough
Coordinates43.54871, -118.82216

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length36.1 ft (11 m)
Max Span35.1 ft (10.7 m)
Deck Width27.9 ft (8.5 m)
Deck Area93.5 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic179 (2020)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number20455 C10600461