256th Street over Silver Ck
FairMinnehaha County, South Dakota · 2N & 0.3E Renner · Structure no. 000000050208120
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 49
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
256th Street over Silver Ck is a prestressed concrete tee beam carrying 256th Street over Silver Ck in Minnehaha County, South Dakota. It was built in 1991, so it is 34 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 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 49 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2037. The structure is 67 ft (20.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 256th Street over Silver Ck built?
It was built in 1991, making it 34 years old in 2025.
What condition is 256th Street over Silver 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 July 2023.
How much traffic does 256th Street over Silver Ck carry?
About 49 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 256th Street over Silver Ck?
The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.
Who owns 256th Street over Silver Ck?
It is owned by the County Highway Agency.