US Highway 12 over Flat Creek
GoodAdams County, North Dakota · 2 West Jct. Nd 8 South · Structure no. 0012071149
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected July 2022
- Type
- Culvert
- Concrete
- Length
- 47 ft
- 4 main spans
- Daily traffic
- 1,180
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 12 over Flat Creek is a concrete culvert carrying US Highway 12 over Flat Creek in Adams County, North Dakota. It was built in 2007, so it is 18 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 1,180 vehicles a day, roughly 14% of them trucks, projected to reach 1,450 by 2039. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 49.1 mi (79 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 12 over Flat Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is US Highway 12 over Flat 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 2022.
How much traffic does US Highway 12 over Flat Creek carry?
About 1,180 vehicles per day (2019 count), of which roughly 14% are trucks.
How long is US Highway 12 over Flat Creek?
The structure is 47 ft (14.3 m) long with a longest span of 11 ft (3.4 m).
Who owns US Highway 12 over Flat Creek?
It is owned by the State Highway Agency.