Nd Highway 6 over Little Heart River
GoodMorton County, North Dakota · 10 South of Mandan · Structure no. 0006057522
- Built
- 1941
- 84 years old, rebuilt 1994
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 1,660
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 6 over Little Heart River is a prestressed concrete box beam or girders - single or spread carrying Nd Highway 6 over Little Heart River in Morton County, North Dakota. It was built in 1941 and reconstructed in 1994, so it is 84 years old, older than the North Dakota average of 48.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,660 vehicles a day, roughly 7% of them trucks, projected to reach 1,527 by 2039. The structure is 128 ft (39 m) long and 38 ft wide. If it were closed, the detour would be 31.7 mi (51 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 6 over Little Heart River built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1994.
What condition is Nd Highway 6 over Little Heart River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does Nd Highway 6 over Little Heart River carry?
About 1,660 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is Nd Highway 6 over Little Heart River?
The structure is 128 ft (39 m) long with a longest span of 48 ft (14.6 m) and a deck 38 ft wide.
Who owns Nd Highway 6 over Little Heart River?
It is owned by the State Highway Agency.