T 21 over Cottonwood River
GoodLyon County, Minnesota · 0.6 MI E of JCT Csah 5 · Structure no. 95849
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected October 2021
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 13
- 1992 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 21 over Cottonwood River is a concrete culvert carrying T 21 over Cottonwood River in Lyon County, Minnesota. It was built in 1984, so it is 41 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 13 vehicles a day, projected to reach 13 by 2029. The structure is 26 ft (8 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 21 over Cottonwood River built?
It was built in 1984, making it 41 years old in 2025.
What condition is T 21 over Cottonwood 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 2021.
How much traffic does T 21 over Cottonwood River carry?
About 13 vehicles per day (1992 count).
How long is T 21 over Cottonwood River?
The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).
Who owns T 21 over Cottonwood River?
It is owned by the Town or Township Highway Agency.