28470 401 Ave over Ck
GoodDouglas County, South Dakota · 0.5W 0.7S Delmont · Structure no. 000000022270167
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 424
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
28470 401 Ave over Ck is a concrete continuous culvert carrying 28470 401 Ave over Ck in Douglas County, South Dakota. It was built in 1940, so it is 85 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 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 424 vehicles a day, roughly 3% of them trucks, projected to reach 424 by 2032. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 28470 401 Ave over Ck built?
It was built in 1940, making it 85 years old in 2025.
What condition is 28470 401 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 2023.
How much traffic does 28470 401 Ave over Ck carry?
About 424 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 28470 401 Ave over Ck?
The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m).
Who owns 28470 401 Ave over Ck?
It is owned by the County Highway Agency.