IRR SD034 over West Fork Elm Ck
FairHyde County, South Dakota · 0.9 S JCT Sd 47 N · Structure no. 000000035110447
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 918
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD034 over West Fork Elm Ck is a concrete continuous slab carrying IRR SD034 over West Fork Elm Ck in Hyde County, South Dakota. It was built in 1955, so it is 70 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 6 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 918 vehicles a day, roughly 16% of them trucks, projected to reach 1,425 by 2044. The structure is 106 ft (32.3 m) long and 34 ft wide. If it were closed, the detour would be 42.3 mi (68 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD034 over West Fork Elm Ck built?
It was built in 1955, making it 70 years old in 2025.
What condition is IRR SD034 over 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 SD034 over West Fork Elm Ck carry?
About 918 vehicles per day (2024 count), of which roughly 16% are trucks.
How long is IRR SD034 over West Fork Elm Ck?
The structure is 106 ft (32.3 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.
Who owns IRR SD034 over West Fork Elm Ck?
It is owned by the State Highway Agency.