257th Street over Trib to Split Rock Ck
FairMinnehaha County, South Dakota · 4S & 0.5E Garretson · Structure no. 000000050315130
- Built
- 1938
- 87 years old
- Condition
- Fair
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 19
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
257th Street over Trib to Split Rock Ck is a concrete continuous culvert carrying 257th Street over Trib to Split Rock Ck in Minnehaha County, South Dakota. It was built in 1938, so it is 87 years old, older than the South Dakota average of 48.9 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 19 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2037. The structure is 25 ft (7.5 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 257th Street over Trib to Split Rock Ck built?
It was built in 1938, making it 87 years old in 2025.
What condition is 257th Street over Trib to Split Rock Ck 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 2022.
How much traffic does 257th Street over Trib to Split Rock Ck carry?
About 19 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 257th Street over Trib to Split Rock Ck?
The structure is 25 ft (7.5 m) long with a longest span of 13 ft (3.9 m).
Who owns 257th Street over Trib to Split Rock Ck?
It is owned by the County Highway Agency.