Mn 61 over Onion River
FairCook County, Minnesota · 7.6 MI NE of Schroeder · Structure no. 16007
- Built
- 2009
- 16 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 108 ft
- 1 main span
- Daily traffic
- 3,650
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 61 over Onion River is a prestressed concrete stringer/multi-beam or girder carrying Mn 61 over Onion River in Cook County, Minnesota. It was built in 2009, so it is 16 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 3,650 vehicles a day, roughly 8% of them trucks, projected to reach 3,650 by 2036. The structure is 108 ft (32.9 m) long and 65 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 61 over Onion River built?
It was built in 2009, making it 16 years old in 2025.
What condition is Mn 61 over Onion 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 October 2023.
How much traffic does Mn 61 over Onion River carry?
About 3,650 vehicles per day (2016 count), of which roughly 8% are trucks.
How long is Mn 61 over Onion River?
The structure is 108 ft (32.9 m) long with a longest span of 104 ft (31.6 m) and a deck 65 ft wide.
Who owns Mn 61 over Onion River?
It is owned by the State Highway Agency.