257th Street over Split Rock Creek
GoodMinnehaha County, South Dakota · 4.6N & 1E Brandon · Structure no. 000000050290129
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 262 ft
- 4 main spans
- Daily traffic
- 52
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
257th Street over Split Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying 257th Street over Split Rock Creek in Minnehaha County, South Dakota. It was built in 1994, so it is 31 years old, younger than the South Dakota average of 48.9 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 52 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2037. The structure is 262 ft (79.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 257th Street over Split Rock Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is 257th Street over Split Rock Creek 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 July 2024.
How much traffic does 257th Street over Split Rock Creek carry?
About 52 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 257th Street over Split Rock Creek?
The structure is 262 ft (79.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.
Who owns 257th Street over Split Rock Creek?
It is owned by the County Highway Agency.