30330 River Road over Ck
PoorUnion County, South Dakota · 2S & 5.3E Alcester · Structure no. 000000064148063
- Built
- 1972
- 53 years old, rebuilt 2001
- Condition
- Poor
- inspected August 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 325
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30330 River Road over Ck is a prestressed concrete channel beam carrying 30330 River Road over Ck in Union County, South Dakota. It was built in 1972 and reconstructed in 2001, so it is 53 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 325 vehicles a day, roughly 3% of them trucks, projected to reach 325 by 2032. The structure is 37 ft (11.2 m) long and 27 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30330 River Road over Ck built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2001.
What condition is 30330 River Road over Ck in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does 30330 River Road over Ck carry?
About 325 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 30330 River Road over Ck?
The structure is 37 ft (11.2 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.
Who owns 30330 River Road over Ck?
It is owned by the County Highway Agency.