Owyhee Rd. B485 over Owyhee River
Fair Condition52 years old404 vehicles/day
Location
| State | Oregon |
| County | Malheur |
| Location | 083 M NE Owyhee Dam |
| Carries | Owyhee Rd. B485 |
| Crosses | Owyhee River |
| Coordinates | 43.70214, -117.19934 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 219.2 ft (66.8 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 574.5 sq m |
| Main Spans | 5 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 404 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 45C226084600907 |