Csah 20 over Marsh River
GoodNorman County, Minnesota · 0.5 MI S of JCT TH 200 · Structure no. 93323
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 105
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 20 over Marsh River is a concrete culvert carrying Csah 20 over Marsh River in Norman County, Minnesota. It was built in 1978, so it is 47 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 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 105 vehicles a day, projected to reach 105 by 2039. The structure is 33 ft (10.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 20 over Marsh River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Csah 20 over Marsh 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 2023.
How much traffic does Csah 20 over Marsh River carry?
About 105 vehicles per day (2012 count).
How long is Csah 20 over Marsh River?
The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.5 m).
Who owns Csah 20 over Marsh River?
It is owned by the County Highway Agency.