IRR US018 over Wolf Ck
FairCounty 102, South Dakota · 0.3 N of Pine Ridge · Structure no. 000000057228471
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected October 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 5,154
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US018 over Wolf Ck is a concrete continuous culvert carrying IRR US018 over Wolf Ck in County 102, South Dakota. It was built in 2006, so it is 19 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 5,154 vehicles a day, roughly 3% of them trucks, projected to reach 6,860 by 2044. The structure is 33 ft (10 m) long. If it were closed, the detour would be 39.8 mi (64 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 | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR US018 over Wolf Ck built?
It was built in 2006, making it 19 years old in 2025.
What condition is IRR US018 over Wolf 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 October 2022.
How much traffic does IRR US018 over Wolf Ck carry?
About 5,154 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is IRR US018 over Wolf Ck?
The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).
Who owns IRR US018 over Wolf Ck?
It is owned by the State Highway Agency.