Mn 20 over Cannon River
GoodGoodhue County, Minnesota · 0.3 MI N of JCT TH 19 · Structure no. 25012
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 292 ft
- 4 main spans
- Daily traffic
- 6,900
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 20 over Cannon River is a steel continuous stringer/multi-beam or girder carrying Mn 20 over Cannon River in Goodhue County, Minnesota. It was built in 1995, so it is 30 years old, younger 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 6,900 vehicles a day, roughly 9% of them trucks, projected to reach 7,100 by 2039. The structure is 292 ft (89 m) long and 53 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 20 over Cannon River built?
It was built in 1995, making it 30 years old in 2025.
What condition is Mn 20 over Cannon 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 June 2023.
How much traffic does Mn 20 over Cannon River carry?
About 6,900 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is Mn 20 over Cannon River?
The structure is 292 ft (89 m) long with a longest span of 79 ft (24.1 m) and a deck 53 ft wide.
Who owns Mn 20 over Cannon River?
It is owned by the State Highway Agency.