Nd Highway 6 over Little Heart River
Good Condition85 years old1,660 vehicles/day
Location
| State | North Dakota |
| County | Morton |
| Location | 10 South Of Mandan |
| Carries | Nd Highway 6 |
| Crosses | Little Heart River |
| Coordinates | 46.68233, -100.90186 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 9 (Excellent) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 128.0 ft (39 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 456.3 sq m |
| Main Spans | 3 |
| Year Built | 1941 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 1,660 (2019) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 0006057522 |