340 Avenue over Ck
FairHyde County, South Dakota · 3E 2.4N Stephan · Structure no. 000000035140416
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 14
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
340 Avenue over Ck is a prestressed concrete stringer/multi-beam or girder carrying 340 Avenue over Ck in Hyde County, South Dakota. It was built in 1975, so it is 50 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 14 vehicles a day, roughly 3% of them trucks, projected to reach 14 by 2032. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 340 Avenue over Ck built?
It was built in 1975, making it 50 years old in 2025.
What condition is 340 Avenue 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 2024.
How much traffic does 340 Avenue over Ck carry?
About 14 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 340 Avenue over Ck?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 31 ft wide.
Who owns 340 Avenue over Ck?
It is owned by the County Highway Agency.