Csah 4 over Spring Brook
GoodRock County, Minnesota · 0.2 MI E of JCT Csah 17 · Structure no. 67J30
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 1,000
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 4 over Spring Brook is a concrete culvert carrying Csah 4 over Spring Brook in Rock County, Minnesota. It was built in 1999, so it is 26 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 1,000 vehicles a day, projected to reach 970 by 2038. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 4 over Spring Brook built?
It was built in 1999, making it 26 years old in 2025.
What condition is Csah 4 over Spring Brook 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 Csah 4 over Spring Brook carry?
About 1,000 vehicles per day (2018 count).
How long is Csah 4 over Spring Brook?
The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.2 m).
Who owns Csah 4 over Spring Brook?
It is owned by the County Highway Agency.