Csah 56 over Long Prairie River
GoodTodd County, Minnesota · 0.1 MI W of JCT TH 71 · Structure no. 77513
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 2,600
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 56 over Long Prairie River is a prestressed concrete tee beam carrying Csah 56 over Long Prairie River in Todd 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,600 vehicles a day, projected to reach 2,400 by 2038. The structure is 137 ft (41.9 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 56 over Long Prairie River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Csah 56 over Long Prairie 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 September 2024.
How much traffic does Csah 56 over Long Prairie River carry?
About 2,600 vehicles per day (2018 count).
How long is Csah 56 over Long Prairie River?
The structure is 137 ft (41.9 m) long with a longest span of 45 ft (13.8 m) and a deck 54 ft wide.
Who owns Csah 56 over Long Prairie River?
It is owned by the County Highway Agency.