US018 over Lone Well Ck
FairFall River County, South Dakota · 0.1 N JCT US 385 S · Structure no. 000000024416199
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected February 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 1,782
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Lone Well Ck is a concrete continuous culvert carrying US018 over Lone Well Ck in Fall River County, South Dakota. It was built in 1956, so it is 69 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 1,782 vehicles a day, roughly 18% of them trucks, projected to reach 2,258 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 98.8 mi (159 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 US018 over Lone Well Ck built?
It was built in 1956, making it 69 years old in 2025.
What condition is US018 over Lone Well 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 February 2024.
How much traffic does US018 over Lone Well Ck carry?
About 1,782 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is US018 over Lone Well Ck?
The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).
Who owns US018 over Lone Well Ck?
It is owned by the State Highway Agency.