Arpan RD over South Canal
GoodButte County, South Dakota · 9.1E 4N B. Fourche · Structure no. 000000010192343
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 149 ft
- 2 main spans
- Daily traffic
- 47
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Arpan RD over South Canal is a prestressed concrete box beam or girders - multiple carrying Arpan RD over South Canal in Butte County, South Dakota. It was built in 1975, so it is 50 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 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 47 vehicles a day, roughly 2% of them trucks, projected to reach 47 by 2032. The structure is 149 ft (45.4 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Arpan RD over South Canal built?
It was built in 1975, making it 50 years old in 2025.
What condition is Arpan RD over South Canal 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 August 2024.
How much traffic does Arpan RD over South Canal carry?
About 47 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Arpan RD over South Canal?
The structure is 149 ft (45.4 m) long with a longest span of 74 ft (22.6 m) and a deck 30 ft wide.
Who owns Arpan RD over South Canal?
It is owned by the County Highway Agency.