Csah 10 over Big Cobb River
GoodBlue Earth County, Minnesota · 0.4 MI W of JCT TH 22 · Structure no. 07534
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 147 ft
- 3 main spans
- Daily traffic
- 1,300
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 10 over Big Cobb River is a steel continuous stringer/multi-beam or girder carrying Csah 10 over Big Cobb River in Blue Earth County, Minnesota. It was built in 1974, so it is 51 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.
It carries about 1,300 vehicles a day, projected to reach 950 by 2038. The structure is 147 ft (44.9 m) long and 44 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 10 over Big Cobb River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Csah 10 over Big Cobb 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 2024.
How much traffic does Csah 10 over Big Cobb River carry?
About 1,300 vehicles per day (2018 count).
How long is Csah 10 over Big Cobb River?
The structure is 147 ft (44.9 m) long with a longest span of 56 ft (17.1 m) and a deck 44 ft wide.
Who owns Csah 10 over Big Cobb River?
It is owned by the County Highway Agency.