IRR US018 over Cheyenne Ck
GoodCounty 102, South Dakota · 2.0 N of Pine Ridge · Structure no. 000000057223456
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 3,274
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US018 over Cheyenne Ck is a concrete continuous culvert carrying IRR US018 over Cheyenne Ck in County 102, South Dakota. It was built in 2020, so it is 5 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,274 vehicles a day, roughly 4% of them trucks, projected to reach 4,358 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 39.8 mi (64 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR US018 over Cheyenne Ck built?
It was built in 2020, making it 5 years old in 2025.
What condition is IRR US018 over Cheyenne Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does IRR US018 over Cheyenne Ck carry?
About 3,274 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is IRR US018 over Cheyenne Ck?
The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).
Who owns IRR US018 over Cheyenne Ck?
It is owned by the State Highway Agency.