Csah 12 over Big Cannon River
FairPosted for loadLe Sueur County, Minnesota · 2.0 MI W of JCT TH 13 · Structure no. 40501
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Wood or Timber
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 676
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 12 over Big Cannon River is a wood or timber slab carrying Csah 12 over Big Cannon River in Le Sueur County, Minnesota. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.
It carries about 676 vehicles a day, projected to reach 700 by 2042. The structure is 72 ft (21.8 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 12 over Big Cannon River built?
It was built in 1963, making it 62 years old in 2025.
What condition is Csah 12 over Big 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 October 2024.
How much traffic does Csah 12 over Big Cannon River carry?
About 676 vehicles per day (2022 count).
How long is Csah 12 over Big Cannon River?
The structure is 72 ft (21.8 m) long with a longest span of 24 ft (7.2 m) and a deck 31 ft wide.
Who owns Csah 12 over Big Cannon River?
It is owned by the County Highway Agency.