31140 474th Ave over Ck
GoodUnion County, South Dakota · 13.4S & 2E Beresford · Structure no. 000000064040144
- Built
- 1983
- 42 years old, rebuilt 2024
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
31140 474th Ave over Ck is a prestressed concrete tee beam carrying 31140 474th Ave over Ck in Union County, South Dakota. It was built in 1983 and reconstructed in 2024, so it is 42 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5 vehicles a day, roughly 2% of them trucks, projected to reach 5 by 2032. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 31140 474th Ave over Ck built?
It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2024.
What condition is 31140 474th Ave 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 July 2024.
How much traffic does 31140 474th Ave over Ck carry?
About 5 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 31140 474th Ave over Ck?
The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.
Who owns 31140 474th Ave over Ck?
It is owned by the County Highway Agency.