T 257 over Turtle Creek
FairMower County, Minnesota · 1.0 MI E of W CO Line · Structure no. 50553
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 149 ft
- 3 main spans
- Daily traffic
- 24
- 1986 count
- Owner
- County
- County Highway Agency
About this bridge
T 257 over Turtle Creek is a steel continuous stringer/multi-beam or girder carrying T 257 over Turtle Creek in Mower County, Minnesota. It was built in 1979, so it is 46 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 24 vehicles a day, projected to reach 24 by 2029. The structure is 149 ft (45.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 257 over Turtle Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is T 257 over Turtle Creek 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 June 2024.
How much traffic does T 257 over Turtle Creek carry?
About 24 vehicles per day (1986 count).
How long is T 257 over Turtle Creek?
The structure is 149 ft (45.3 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.
Who owns T 257 over Turtle Creek?
It is owned by the County Highway Agency.