CR 161 over Big Cobb River
GoodBlue Earth County, Minnesota · 0.9 MI N of S CO Line · Structure no. 07554
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 134
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
CR 161 over Big Cobb River is a prestressed concrete tee beam carrying CR 161 over Big Cobb River in Blue Earth County, Minnesota. It was built in 1980, so it is 45 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 134 vehicles a day, projected to reach 190 by 2041. The structure is 151 ft (46 m) long and 32 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 161 over Big Cobb River built?
It was built in 1980, making it 45 years old in 2025.
What condition is CR 161 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 November 2024.
How much traffic does CR 161 over Big Cobb River carry?
About 134 vehicles per day (2021 count).
How long is CR 161 over Big Cobb River?
The structure is 151 ft (46 m) long with a longest span of 50 ft (15.3 m) and a deck 32 ft wide.
Who owns CR 161 over Big Cobb River?
It is owned by the County Highway Agency.