Csah 3 over Big Cottonwood River
GoodPosted for loadBrown County, Minnesota · 1.9 MI S of JCT Csah 23 · Structure no. 08517
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 251 ft
- 4 main spans
- Daily traffic
- 579
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 3 over Big Cottonwood River is a prestressed concrete stringer/multi-beam or girder carrying Csah 3 over Big Cottonwood River in Brown County, Minnesota. It was built in 1975, so it is 50 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 579 vehicles a day, projected to reach 600 by 2042. The structure is 251 ft (76.5 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 3 over Big Cottonwood River built?
It was built in 1975, making it 50 years old in 2025.
What condition is Csah 3 over Big 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 November 2023.
How much traffic does Csah 3 over Big Cottonwood River carry?
About 579 vehicles per day (2022 count).
How long is Csah 3 over Big Cottonwood River?
The structure is 251 ft (76.5 m) long with a longest span of 62 ft (19 m) and a deck 40 ft wide.
Who owns Csah 3 over Big Cottonwood River?
It is owned by the County Highway Agency.