IRR SD073 over Ck
FairJackson County, South Dakota · 7.7 S of Kadoka · Structure no. 000000036301184
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 998
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD073 over Ck is a concrete continuous culvert carrying IRR SD073 over Ck in Jackson 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 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 998 vehicles a day, roughly 16% of them trucks, projected to reach 1,439 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 80.8 mi (130 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD073 over Ck built?
It was built in 1954, making it 71 years old in 2025.
What condition is IRR SD073 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 May 2024.
How much traffic does IRR SD073 over Ck carry?
About 998 vehicles per day (2024 count), of which roughly 16% are trucks.
How long is IRR SD073 over Ck?
The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).
Who owns IRR SD073 over Ck?
It is owned by the State Highway Agency.