T 40 over Watonwan River
GoodPosted for loadCottonwood County, Minnesota · 0.5 MI W of JCT Csah 1 · Structure no. 3278
- Built
- 1921
- 104 years old
- Condition
- Good
- inspected October 2023
- Type
- Girder and Floorbeam System
- Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 35
- 1986 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 40 over Watonwan River is a concrete girder and floorbeam system carrying T 40 over Watonwan River in Cottonwood County, Minnesota. It was built in 1921, so it is 104 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. Its operating status is: posted for load restriction.
It carries about 35 vehicles a day, projected to reach 35 by 2029. The structure is 53 ft (16.2 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| 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 T 40 over Watonwan River built?
It was built in 1921, making it 104 years old in 2025.
What condition is T 40 over Watonwan 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 October 2023.
How much traffic does T 40 over Watonwan River carry?
About 35 vehicles per day (1986 count).
How long is T 40 over Watonwan River?
The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 19 ft wide.
Who owns T 40 over Watonwan River?
It is owned by the Town or Township Highway Agency.