SD047 over Ck
FairGregory County, South Dakota · 2.2 S JCT Sd 44 · Structure no. 000000027050102
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 5 main spans
- Daily traffic
- 552
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD047 over Ck is a concrete continuous slab carrying SD047 over Ck in Gregory 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 552 vehicles a day, roughly 20% of them trucks, projected to reach 762 by 2044. The structure is 106 ft (32.2 m) long and 34 ft wide. If it were closed, the detour would be 36 mi (58 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD047 over Ck built?
It was built in 1957, making it 68 years old in 2025.
What condition is SD047 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 April 2024.
How much traffic does SD047 over Ck carry?
About 552 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is SD047 over Ck?
The structure is 106 ft (32.2 m) long with a longest span of 21 ft (6.3 m) and a deck 34 ft wide.
Who owns SD047 over Ck?
It is owned by the State Highway Agency.