US Highway 12 over Bnrr Separation
Good Condition42 years old561 vehicles/day
Location
| State | North Dakota |
| County | Slope |
| Location | 1 West Of Marmarth |
| Carries | US Highway 12 |
| Crosses | Bnrr Separation |
| Coordinates | 46.29288, -103.93415 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 221.1 ft (67.4 m) |
| Max Span | 104.0 ft (31.7 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 788.6 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 561 (2022) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012005597 |