30250 484th Ave over Ck
GoodUnion County, South Dakota · 5.4E & 1.5S Alcester · Structure no. 000000064144055
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 71 ft
- 2 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30250 484th Ave over Ck is a prestressed concrete tee beam carrying 30250 484th Ave over Ck in Union County, South Dakota. It was built in 2021, so it is 4 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 34 vehicles a day, roughly 2% of them trucks, projected to reach 34 by 2032. The structure is 71 ft (21.7 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30250 484th Ave over Ck built?
It was built in 2021, making it 4 years old in 2025.
What condition is 30250 484th 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 August 2024.
How much traffic does 30250 484th Ave over Ck carry?
About 34 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30250 484th Ave over Ck?
The structure is 71 ft (21.7 m) long with a longest span of 35 ft (10.6 m) and a deck 33 ft wide.
Who owns 30250 484th Ave over Ck?
It is owned by the County Highway Agency.