US Highway 12 over Little Beaver Creek
GoodSlope County, North Dakota · 1 West of Marmarth · Structure no. 0012004710
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 3 main spans
- Daily traffic
- 520
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 12 over Little Beaver Creek is a concrete culvert carrying US Highway 12 over Little Beaver Creek in Slope County, North Dakota. It was built in 1987, so it is 38 years old, younger 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 520 vehicles a day, roughly 27% of them trucks, projected to reach 525 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 123.7 mi (199 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 12 over Little Beaver Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is US Highway 12 over Little Beaver Creek 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 July 2024.
How much traffic does US Highway 12 over Little Beaver Creek carry?
About 520 vehicles per day (2019 count), of which roughly 27% are trucks.
How long is US Highway 12 over Little Beaver Creek?
The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m).
Who owns US Highway 12 over Little Beaver Creek?
It is owned by the State Highway Agency.