US014 over Lone Tree Ck
FairJackson County, South Dakota · 3.8 SW Haakon CO Line · Structure no. 000000036145015
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 110 ft
- 4 main spans
- Daily traffic
- 980
- 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 Jackson County, South Dakota. It was built in 1954, so it is 71 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 5 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 980 vehicles a day, roughly 15% of them trucks, projected to reach 1,413 by 2044. The structure is 110 ft (33.5 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US014 over Lone Tree Ck built?
It was built in 1954, making it 71 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 January 2025.
How much traffic does US014 over Lone Tree Ck carry?
About 980 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is US014 over Lone Tree Ck?
The structure is 110 ft (33.5 m) long with a longest span of 28 ft (8.6 m) and a deck 34 ft wide.
Who owns US014 over Lone Tree Ck?
It is owned by the State Highway Agency.