IRR SD063 over Rudy Ck Tributary
FairZiebach County, South Dakota · 9.4 S Dewey CO Line · Structure no. 000000069360425
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 590
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD063 over Rudy Ck Tributary is a concrete continuous culvert carrying IRR SD063 over Rudy Ck Tributary in Ziebach County, South Dakota. It was built in 1994, so it is 31 years old, younger 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 590 vehicles a day, roughly 8% of them trucks, projected to reach 894 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 75.2 mi (121 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 IRR SD063 over Rudy Ck Tributary built?
It was built in 1994, making it 31 years old in 2025.
What condition is IRR SD063 over Rudy Ck Tributary 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 2024.
How much traffic does IRR SD063 over Rudy Ck Tributary carry?
About 590 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is IRR SD063 over Rudy Ck Tributary?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns IRR SD063 over Rudy Ck Tributary?
It is owned by the State Highway Agency.