Napton C-1057 over So Owyhee Canal
Good Condition33 years old297 vehicles/day
Location
| State | Oregon |
| County | Malheur |
| Location | 0.1 Mi N ST HWY 201 |
| Carries | Napton C-1057 |
| Crosses | So Owyhee Canal |
| Coordinates | 43.63700, -117.03570 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 57.0 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 297 (2020) |
| Truck Traffic | 20% |
| 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 | 45C1361057 0390 |