Csah 15 over Otter Tail River
FairOtter Tail County, Minnesota · 1.6 MI W of JCT Csah 1 · Structure no. 91834
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected October 2023
- Type
- Culvert
- Steel
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 700
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 15 over Otter Tail River is a steel culvert carrying Csah 15 over Otter Tail River in Otter Tail County, Minnesota. It was built in 1981, so it is 44 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 700 vehicles a day, projected to reach 600 by 2039. The structure is 102 ft (31 m) long. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 15 over Otter Tail River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Csah 15 over Otter Tail River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does Csah 15 over Otter Tail River carry?
About 700 vehicles per day (2019 count).
How long is Csah 15 over Otter Tail River?
The structure is 102 ft (31 m) long with a longest span of 26 ft (7.8 m).
Who owns Csah 15 over Otter Tail River?
It is owned by the County Highway Agency.