Csah 51 over Otter Tail River
FairOtter Tail County, Minnesota · 2.3 MI N of JCT TH 10 · Structure no. 56503
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected October 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 2,300
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 51 over Otter Tail River is a prestressed concrete channel beam carrying Csah 51 over Otter Tail River in Otter Tail County, Minnesota. It was built in 1959, so it is 66 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 2,300 vehicles a day, projected to reach 2,300 by 2039. The structure is 75 ft (23 m) long and 31 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 51 over Otter Tail River built?
It was built in 1959, making it 66 years old in 2025.
What condition is Csah 51 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 2024.
How much traffic does Csah 51 over Otter Tail River carry?
About 2,300 vehicles per day (2015 count).
How long is Csah 51 over Otter Tail River?
The structure is 75 ft (23 m) long with a longest span of 25 ft (7.7 m) and a deck 31 ft wide.
Who owns Csah 51 over Otter Tail River?
It is owned by the County Highway Agency.