SD046 over Ck
FairUnion County, South Dakota · 1 N Iowa State Line · Structure no. 000000064160011
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 1,725
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD046 over Ck is a concrete continuous culvert carrying SD046 over Ck in Union County, South Dakota. It was built in 1954, so it is 71 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 6 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 1,725 vehicles a day, roughly 19% of them trucks, projected to reach 2,656 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 26.1 mi (42 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD046 over Ck built?
It was built in 1954, making it 71 years old in 2025.
What condition is SD046 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 January 2025.
How much traffic does SD046 over Ck carry?
About 1,725 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is SD046 over Ck?
The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).
Who owns SD046 over Ck?
It is owned by the State Highway Agency.