Mn 171 over Red River Overflow
FairKittson County, Minnesota · 0.7 MI W of JCT 75 · Structure no. 35010
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 519 ft
- 7 main spans
- Daily traffic
- 558
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 171 over Red River Overflow is a steel continuous stringer/multi-beam or girder carrying Mn 171 over Red River Overflow in Kittson County, Minnesota. It was built in 2006, so it is 19 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 558 vehicles a day, roughly 22% of them trucks, projected to reach 690 by 2041. The structure is 519 ft (158.3 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 171 over Red River Overflow built?
It was built in 2006, making it 19 years old in 2025.
What condition is Mn 171 over Red River Overflow 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 August 2024.
How much traffic does Mn 171 over Red River Overflow carry?
About 558 vehicles per day (2021 count), of which roughly 22% are trucks.
How long is Mn 171 over Red River Overflow?
The structure is 519 ft (158.3 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.
Who owns Mn 171 over Red River Overflow?
It is owned by the State Highway Agency.