SD048 over Ck
FairUnion County, South Dakota · 3.8 E I 29 Interch · Structure no. 000000064043159
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 758
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD048 over Ck is a concrete continuous slab carrying SD048 over Ck in Union County, South Dakota. It was built in 1957, so it is 68 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 758 vehicles a day, roughly 26% of them trucks, projected to reach 1,167 by 2044. The structure is 106 ft (32.3 m) long and 34 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD048 over Ck built?
It was built in 1957, making it 68 years old in 2025.
What condition is SD048 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 SD048 over Ck carry?
About 758 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is SD048 over Ck?
The structure is 106 ft (32.3 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.
Who owns SD048 over Ck?
It is owned by the State Highway Agency.