475th Ave over Ck
FairDeuel County, South Dakota · 1.8N & 1W of Clear Lake · Structure no. 000000020090132
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected June 2023
- Type
- Channel Beam
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
475th Ave over Ck is a concrete channel beam carrying 475th Ave over Ck in Deuel County, South Dakota. It was built in 1960, so it is 65 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 30 vehicles a day, roughly 6% of them trucks, projected to reach 30 by 2035. The structure is 36 ft (11 m) long and 26 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 475th Ave over Ck built?
It was built in 1960, making it 65 years old in 2025.
What condition is 475th Ave over Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does 475th Ave over Ck carry?
About 30 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is 475th Ave over Ck?
The structure is 36 ft (11 m) long with a longest span of 31 ft (9.6 m) and a deck 26 ft wide.
Who owns 475th Ave over Ck?
It is owned by the County Highway Agency.