Indian Canyon over Plum Ck
GoodFall River County, South Dakota · 8.7E JCT Sd 471 · Structure no. 000000024204160
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 77
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Indian Canyon over Plum Ck is a prestressed concrete tee beam carrying Indian Canyon over Plum Ck in Fall River County, South Dakota. It was built in 1982, so it is 43 years old, younger than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 77 vehicles a day, roughly 3% of them trucks, projected to reach 77 by 2032. The structure is 35 ft (10.7 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Indian Canyon over Plum Ck built?
It was built in 1982, making it 43 years old in 2025.
What condition is Indian Canyon over Plum Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does Indian Canyon over Plum Ck carry?
About 77 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Indian Canyon over Plum Ck?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.
Who owns Indian Canyon over Plum Ck?
It is owned by the County Highway Agency.