30599 River Road over Ck
GoodUnion County, South Dakota · 5S & 5.5E Alcester · Structure no. 000000064145090
- Built
- 1989
- 36 years old, rebuilt 2000
- Condition
- Good
- inspected August 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 325
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30599 River Road over Ck is a prestressed concrete channel beam carrying 30599 River Road over Ck in Union County, South Dakota. It was built in 1989 and reconstructed in 2000, so it is 36 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 325 vehicles a day, roughly 3% of them trucks, projected to reach 325 by 2032. The structure is 36 ft (11.1 m) long and 31 ft wide.
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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30599 River Road over Ck built?
It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2000.
What condition is 30599 River Road over 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 30599 River Road over Ck carry?
About 325 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 30599 River Road over Ck?
The structure is 36 ft (11.1 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.
Who owns 30599 River Road over Ck?
It is owned by the County Highway Agency.