Csah 15 over Rock River
GoodRock County, Minnesota · 0.7 MI E of JCT TH 75 · Structure no. 67512
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 399 ft
- 6 main spans
- Daily traffic
- 99
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 15 over Rock River is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Rock River in Rock County, Minnesota. It was built in 1991, so it is 34 years old, younger 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 99 vehicles a day, projected to reach 150 by 2042. The structure is 399 ft (121.7 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 15 over Rock River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Csah 15 over Rock 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 15 over Rock River carry?
About 99 vehicles per day (2022 count).
How long is Csah 15 over Rock River?
The structure is 399 ft (121.7 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.
Who owns Csah 15 over Rock River?
It is owned by the County Highway Agency.