SD034 over I090
FairLawrence County, South Dakota · Sd 34 W Interchange · Structure no. 000000041207092
- Built
- 1968
- 57 years old, rebuilt 1997
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 266 ft
- 4 main spans
- Daily traffic
- 4,052
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD034 over I090 is a steel continuous stringer/multi-beam or girder carrying SD034 over I090 in Lawrence County, South Dakota. It was built in 1968 and reconstructed in 1997, so it is 57 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 4,052 vehicles a day, roughly 26% of them trucks, projected to reach 5,871 by 2044. The structure is 266 ft (81.2 m) long and 43 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD034 over I090 built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1997.
What condition is SD034 over I090 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 October 2023.
How much traffic does SD034 over I090 carry?
About 4,052 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is SD034 over I090?
The structure is 266 ft (81.2 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.
Who owns SD034 over I090?
It is owned by the State Highway Agency.