M 51 over Pomme De Terre River
FairSwift County, Minnesota · 0.4 MI S of JCT TH 59 · Structure no. 76504
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 188 ft
- 4 main spans
- Daily traffic
- 900
- 1986 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
M 51 over Pomme De Terre River is a prestressed concrete slab carrying M 51 over Pomme De Terre River in Swift 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 fair condition with a lowest component rating of 5 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 900 vehicles a day, projected to reach 900 by 2029. The structure is 188 ft (57.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M 51 over Pomme De Terre River built?
It was built in 1978, making it 47 years old in 2025.
What condition is M 51 over Pomme De Terre 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 M 51 over Pomme De Terre River carry?
About 900 vehicles per day (1986 count).
How long is M 51 over Pomme De Terre River?
The structure is 188 ft (57.4 m) long with a longest span of 47 ft (14.4 m) and a deck 52 ft wide.
Who owns M 51 over Pomme De Terre River?
It is owned by the City or Municipal Highway Agency.