230th St. over Redstone Ck
FairSanborn County, South Dakota · 3N & 2.3W Artesian · Structure no. 000000056177100
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected August 2024
- Type
- Channel Beam
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
230th St. over Redstone Ck is a concrete channel beam carrying 230th St. over Redstone Ck in Sanborn County, South Dakota. It was built in 1967, so it is 58 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 20 vehicles a day, roughly 3% of them trucks, projected to reach 20 by 2032. The structure is 31 ft (9.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 230th St. over Redstone Ck built?
It was built in 1967, making it 58 years old in 2025.
What condition is 230th St. over Redstone 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 August 2024.
How much traffic does 230th St. over Redstone Ck carry?
About 20 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 230th St. over Redstone Ck?
The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.
Who owns 230th St. over Redstone Ck?
It is owned by the County Highway Agency.