SD044 over Cleghorn Canyon
FairPennington County, South Dakota · 3.6 SW JCT Sd 231 · Structure no. 000000052374318
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 5,920
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD044 over Cleghorn Canyon is a concrete continuous slab carrying SD044 over Cleghorn Canyon in Pennington County, South Dakota. It was built in 1967, so it is 58 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 5,920 vehicles a day, roughly 4% of them trucks, projected to reach 8,140 by 2044. The structure is 60 ft (18.4 m) long and 65 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD044 over Cleghorn Canyon built?
It was built in 1967, making it 58 years old in 2025.
What condition is SD044 over Cleghorn Canyon 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 June 2023.
How much traffic does SD044 over Cleghorn Canyon carry?
About 5,920 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is SD044 over Cleghorn Canyon?
The structure is 60 ft (18.4 m) long with a longest span of 22 ft (6.6 m) and a deck 65 ft wide.
Who owns SD044 over Cleghorn Canyon?
It is owned by the State Highway Agency.