US 12 over Minnesota River
FairBig Stone County, Minnesota · 0.4 MI W of Ortonville · Structure no. 06002
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 90 ft
- 1 main span
- Daily traffic
- 4,366
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 over Minnesota River is a prestressed concrete stringer/multi-beam or girder carrying US 12 over Minnesota River in Big Stone County, Minnesota. It was built in 2012, so it is 13 years old, younger than the Minnesota average of 38.5 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 4,366 vehicles a day, roughly 14% of them trucks, projected to reach 5,200 by 2042. The structure is 90 ft (27.3 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 US 12 over Minnesota River built?
It was built in 2012, making it 13 years old in 2025.
What condition is US 12 over Minnesota River 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 September 2024.
How much traffic does US 12 over Minnesota River carry?
About 4,366 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is US 12 over Minnesota River?
The structure is 90 ft (27.3 m) long with a longest span of 86 ft (26.2 m) and a deck 64 ft wide.
Who owns US 12 over Minnesota River?
It is owned by the State Highway Agency.