US014 over Lone Tree Ck
FairHaakon County, South Dakota · 3.2 S Stanley CO Line · Structure no. 000000028437430
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 5 main spans
- Daily traffic
- 650
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US014 over Lone Tree Ck is a concrete continuous slab carrying US014 over Lone Tree Ck in Haakon County, South Dakota. It was built in 1960, so it is 65 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 650 vehicles a day, roughly 18% of them trucks, projected to reach 924 by 2044. The structure is 106 ft (32.2 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US014 over Lone Tree Ck built?
It was built in 1960, making it 65 years old in 2025.
What condition is US014 over Lone Tree 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 US014 over Lone Tree Ck carry?
About 650 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is US014 over Lone Tree Ck?
The structure is 106 ft (32.2 m) long with a longest span of 21 ft (6.3 m) and a deck 34 ft wide.
Who owns US014 over Lone Tree Ck?
It is owned by the State Highway Agency.