230th Street over Redstone Ck
GoodSanborn County, South Dakota · 2N & 1.8E Forestburg · Structure no. 000000056128100
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 107 ft
- 1 main span
- Daily traffic
- 75
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
230th Street over Redstone Ck is a prestressed concrete stringer/multi-beam or girder carrying 230th Street over Redstone Ck in Sanborn County, South Dakota. It was built in 1992, so it is 33 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 75 vehicles a day, roughly 3% of them trucks, projected to reach 75 by 2032. The structure is 107 ft (32.6 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 8 Very Good | No problems noted. |
| 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 230th Street over Redstone Ck built?
It was built in 1992, making it 33 years old in 2025.
What condition is 230th Street over Redstone Ck 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 August 2024.
How much traffic does 230th Street over Redstone Ck carry?
About 75 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 230th Street over Redstone Ck?
The structure is 107 ft (32.6 m) long with a longest span of 105 ft (32 m) and a deck 33 ft wide.
Who owns 230th Street over Redstone Ck?
It is owned by the County Highway Agency.