M 15 over Clearwater River
FairRed Lake County, Minnesota · 0.2 MI W of JCT TH 32 · Structure no. 63505
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 100
- 1977 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
M 15 over Clearwater River is a prestressed concrete slab carrying M 15 over Clearwater River in Red Lake County, Minnesota. It was built in 1975, so it is 50 years old, older 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2029. The structure is 164 ft (50 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 M 15 over Clearwater River built?
It was built in 1975, making it 50 years old in 2025.
What condition is M 15 over Clearwater 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 November 2023.
How much traffic does M 15 over Clearwater River carry?
About 100 vehicles per day (1977 count), of which roughly 10% are trucks.
How long is M 15 over Clearwater River?
The structure is 164 ft (50 m) long with a longest span of 66 ft (20.1 m) and a deck 28 ft wide.
Who owns M 15 over Clearwater River?
It is owned by the City or Municipal Highway Agency.