SD079N over Beaver Ck
FairCuster County, South Dakota · 2.7 N Fall River CO Line · Structure no. 000000017368246
- Built
- 1957
- 68 years old, rebuilt 2006
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 186 ft
- 5 main spans
- Daily traffic
- 2,289
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD079N over Beaver Ck is a concrete continuous slab carrying SD079N over Beaver Ck in Custer County, South Dakota. It was built in 1957 and reconstructed in 2006, so it is 68 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 2,289 vehicles a day, roughly 14% of them trucks, projected to reach 3,733 by 2044. The structure is 186 ft (56.7 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD079N over Beaver Ck built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2006.
What condition is SD079N over Beaver 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 April 2024.
How much traffic does SD079N over Beaver Ck carry?
About 2,289 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is SD079N over Beaver Ck?
The structure is 186 ft (56.7 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.
Who owns SD079N over Beaver Ck?
It is owned by the State Highway Agency.