30620 475th Ave over Ck
GoodUnion County, South Dakota · 4W & 5.2S Alcester · Structure no. 000000064050092
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 125
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30620 475th Ave over Ck is a concrete culvert carrying 30620 475th Ave over Ck in Union County, South Dakota. It was built in 2022, so it is 3 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 125 vehicles a day, roughly 3% of them trucks, projected to reach 125 by 2032. The structure is 29 ft (8.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30620 475th Ave over Ck built?
It was built in 2022, making it 3 years old in 2025.
What condition is 30620 475th 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 30620 475th Ave over Ck carry?
About 125 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 30620 475th Ave over Ck?
The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m) and a deck 28 ft wide.
Who owns 30620 475th Ave over Ck?
It is owned by the County Highway Agency.