SD079 over Cottonwood Ck
FairButte County, South Dakota · 0.5 N Meade CO Line · Structure no. 000000010310416
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 5 main spans
- Daily traffic
- 1,935
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD079 over Cottonwood Ck is a concrete continuous slab carrying SD079 over Cottonwood Ck in Butte 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 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 1,935 vehicles a day, roughly 8% of them trucks, projected to reach 3,084 by 2044. The structure is 117 ft (35.7 m) long and 34 ft wide. If it were closed, the detour would be 32.9 mi (53 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD079 over Cottonwood Ck built?
It was built in 1954, making it 71 years old in 2025.
What condition is SD079 over Cottonwood 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 SD079 over Cottonwood Ck carry?
About 1,935 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is SD079 over Cottonwood Ck?
The structure is 117 ft (35.7 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.
Who owns SD079 over Cottonwood Ck?
It is owned by the State Highway Agency.