SD050 over I090
FairBrule County, South Dakota · E Chamberlain Interchange · Structure no. 000000008080112
- Built
- 1964
- 61 years old, rebuilt 1993
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 268 ft
- 4 main spans
- Daily traffic
- 3,541
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD050 over I090 is a prestressed concrete continuous stringer/multi-beam or girder carrying SD050 over I090 in Brule County, South Dakota. It was built in 1964 and reconstructed in 1993, so it is 61 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 3,541 vehicles a day, roughly 5% of them trucks, projected to reach 4,593 by 2044. The structure is 268 ft (81.8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD050 over I090 built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1993.
What condition is SD050 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 December 2024.
How much traffic does SD050 over I090 carry?
About 3,541 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is SD050 over I090?
The structure is 268 ft (81.8 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.
Who owns SD050 over I090?
It is owned by the State Highway Agency.