Csah 21 over S Fk Watonwan River
GoodWatonwan County, Minnesota · 0.7 MI W of JCT Csah 5 · Structure no. 93354
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected November 2022
- Type
- Culvert
- Concrete
- Length
- 55 ft
- 3 main spans
- Daily traffic
- 410
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 21 over S Fk Watonwan River is a concrete culvert carrying Csah 21 over S Fk Watonwan River in Watonwan 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 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 410 vehicles a day, projected to reach 410 by 2035. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 21 over S Fk Watonwan River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Csah 21 over S Fk 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 November 2022.
How much traffic does Csah 21 over S Fk Watonwan River carry?
About 410 vehicles per day (2016 count).
How long is Csah 21 over S Fk Watonwan River?
The structure is 55 ft (16.8 m) long with a longest span of 15 ft (4.5 m).
Who owns Csah 21 over S Fk Watonwan River?
It is owned by the County Highway Agency.