SD034 over West Plum Ck
FairHaakon County, South Dakota · 7.1 E JCT Sd 73 S · Structure no. 000000028231240
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 198 ft
- 4 main spans
- Daily traffic
- 508
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD034 over West Plum Ck is a steel continuous stringer/multi-beam or girder carrying SD034 over West Plum Ck in Haakon County, South Dakota. It was built in 1958, so it is 67 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 508 vehicles a day, roughly 23% of them trucks, projected to reach 722 by 2044. The structure is 198 ft (60.5 m) long and 32 ft wide. If it were closed, the detour would be 44.1 mi (71 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD034 over West Plum Ck built?
It was built in 1958, making it 67 years old in 2025.
What condition is SD034 over West Plum 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 December 2023.
How much traffic does SD034 over West Plum Ck carry?
About 508 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is SD034 over West Plum Ck?
The structure is 198 ft (60.5 m) long with a longest span of 64 ft (19.5 m) and a deck 32 ft wide.
Who owns SD034 over West Plum Ck?
It is owned by the State Highway Agency.