Arpan RD over South Canal
PoorButte County, South Dakota · 11 West Newell · Structure no. 000000010196342
- Built
- 1975
- 50 years old
- Condition
- Poor
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 269
- 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 269 vehicles a day, roughly 3% of them trucks, projected to reach 269 by 2032. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does Arpan RD over South Canal carry?
About 269 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Arpan RD over South Canal?
The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.
Who owns Arpan RD over South Canal?
It is owned by the County Highway Agency.