Nd Highway 6 over Heart River
Good Condition42 years old3,550 vehicles/day
Location
| State | North Dakota |
| County | Morton |
| Location | 1 South Of Mandan |
| Carries | Nd Highway 6 |
| Crosses | Heart River |
| Coordinates | 46.81461, -100.90488 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 315.9 ft (96.3 m) |
| Max Span | 132.9 ft (40.5 m) |
| Deck Width | 55.4 ft (16.9 m) |
| Deck Area | 1627.5 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 3,550 (2019) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0006066735 |