M 80 over Cannon River
FairGoodhue County, Minnesota · 0.1 MI S of JCT Csah 17 · Structure no. 25527
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 146 ft
- 2 main spans
- Daily traffic
- 160
- 1986 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
M 80 over Cannon River is a prestressed concrete stringer/multi-beam or girder carrying M 80 over Cannon River in Goodhue County, Minnesota. It was built in 1978, so it is 47 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 160 vehicles a day, projected to reach 160 by 2029. The structure is 146 ft (44.5 m) long and 43 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 M 80 over Cannon River built?
It was built in 1978, making it 47 years old in 2025.
What condition is M 80 over Cannon 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 80 over Cannon River carry?
About 160 vehicles per day (1986 count).
How long is M 80 over Cannon River?
The structure is 146 ft (44.5 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.
Who owns M 80 over Cannon River?
It is owned by the City or Municipal Highway Agency.