Nd Highway 18 over Tongue River
Good Condition54 years old590 vehicles/day
Location
| State | North Dakota |
| County | Pembina |
| Location | 3 North Of Nd 5 |
| Carries | Nd Highway 18 |
| Crosses | Tongue River |
| Coordinates | 48.85184, -97.55632 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 85.0 ft (25.9 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 321.2 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 590 (2019) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0018231872 |