US Highway 12 over Branch of Beaver Creek
FairSlope County, North Dakota · 3 West of Marmarth · Structure no. 0012002450
- Built
- 1950
- 75 years old, rebuilt 2010
- Condition
- Fair
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 510
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 12 over Branch of Beaver Creek is a concrete culvert carrying US Highway 12 over Branch of Beaver Creek in Slope County, North Dakota. It was built in 1950 and reconstructed in 2010, so it is 75 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 510 vehicles a day, roughly 27% of them trucks, projected to reach 576 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 12 over Branch of Beaver Creek built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2010.
What condition is US Highway 12 over Branch of Beaver Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does US Highway 12 over Branch of Beaver Creek carry?
About 510 vehicles per day (2019 count), of which roughly 27% are trucks.
How long is US Highway 12 over Branch of Beaver Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns US Highway 12 over Branch of Beaver Creek?
It is owned by the State Highway Agency.