SD044 over Lone Tree Ck
FairGregory County, South Dakota · 2.1 W JCT Sd 47 · Structure no. 000000027029080
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 87 ft
- 3 main spans
- Daily traffic
- 540
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD044 over Lone Tree Ck is a concrete continuous slab carrying SD044 over Lone Tree Ck in Gregory County, South Dakota. It was built in 1971, so it is 54 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 540 vehicles a day, roughly 19% of them trucks, projected to reach 733 by 2044. The structure is 87 ft (26.4 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD044 over Lone Tree Ck built?
It was built in 1971, making it 54 years old in 2025.
What condition is SD044 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 October 2022.
How much traffic does SD044 over Lone Tree Ck carry?
About 540 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is SD044 over Lone Tree Ck?
The structure is 87 ft (26.4 m) long with a longest span of 31 ft (9.6 m) and a deck 43 ft wide.
Who owns SD044 over Lone Tree Ck?
It is owned by the State Highway Agency.