Csah 4 over Middle River
GoodMarshall County, Minnesota · 0.1 MI E JCT US 75 · Structure no. 45570
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 690
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 4 over Middle River is a concrete continuous slab carrying Csah 4 over Middle River in Marshall County, Minnesota. It was built in 2007, so it is 18 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 690 vehicles a day, projected to reach 620 by 2038. The structure is 94 ft (28.5 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 4 over Middle River built?
It was built in 2007, making it 18 years old in 2025.
What condition is Csah 4 over Middle 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 4 over Middle River carry?
About 690 vehicles per day (2018 count).
How long is Csah 4 over Middle River?
The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.
Who owns Csah 4 over Middle River?
It is owned by the County Highway Agency.