Mn 1 over Little Fork River
GoodSt. Louis County, Minnesota · 8.5 MI W of JCT TH 53 · Structure no. 69106
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 255 ft
- 3 main spans
- Daily traffic
- 155
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 1 over Little Fork River is a prestressed concrete stringer/multi-beam or girder carrying Mn 1 over Little Fork River in St. Louis County, Minnesota. It was built in 1983, so it is 42 years old, older than the Minnesota average of 38.5 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 155 vehicles a day, roughly 16% of them trucks, projected to reach 190 by 2039. The structure is 255 ft (77.6 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| 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 Mn 1 over Little Fork River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Mn 1 over Little Fork River 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 May 2024.
How much traffic does Mn 1 over Little Fork River carry?
About 155 vehicles per day (2019 count), of which roughly 16% are trucks.
How long is Mn 1 over Little Fork River?
The structure is 255 ft (77.6 m) long with a longest span of 84 ft (25.7 m) and a deck 46 ft wide.
Who owns Mn 1 over Little Fork River?
It is owned by the State Highway Agency.