Upper Imnaha Road over Imnaha River
Fair Condition20 years old36 vehicles/day
Location
| State | Oregon |
| County | Wallowa |
| Location | 21.1 Mi S Of HWY 350 |
| Carries | Upper Imnaha Road |
| Crosses | Imnaha River |
| Coordinates | 45.29339, -116.79863 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 132.9 ft (40.5 m) |
| Max Span | 130.9 ft (39.9 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 388.8 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 36 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20447 727 02108 |