IRR Ar SD047 over Br West Fork Elm Ck
FairHyde County, South Dakota · 4 N JCT Sd 34 · Structure no. 000000035110397
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 3 main spans
- Daily traffic
- 405
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR Ar SD047 over Br West Fork Elm Ck is a concrete continuous culvert carrying IRR Ar SD047 over Br West Fork Elm Ck in Hyde County, South Dakota. It was built in 1959, so it is 66 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 405 vehicles a day, roughly 31% of them trucks, projected to reach 629 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 16.2 mi (26 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR Ar SD047 over Br West Fork Elm Ck built?
It was built in 1959, making it 66 years old in 2025.
What condition is IRR Ar SD047 over Br West Fork Elm 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 IRR Ar SD047 over Br West Fork Elm Ck carry?
About 405 vehicles per day (2024 count), of which roughly 31% are trucks.
How long is IRR Ar SD047 over Br West Fork Elm Ck?
The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).
Who owns IRR Ar SD047 over Br West Fork Elm Ck?
It is owned by the State Highway Agency.