US281 over I090
FairAurora County, South Dakota · US 281 Interchange · Structure no. 000000002180165
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected March 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 1,694
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US281 over I090 is a steel continuous stringer/multi-beam or girder carrying US281 over I090 in Aurora County, South Dakota. It was built in 1965, so it is 60 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 1,694 vehicles a day, roughly 26% of them trucks, projected to reach 2,516 by 2044. The structure is 254 ft (77.4 m) long and 32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US281 over I090 built?
It was built in 1965, making it 60 years old in 2025.
What condition is US281 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 March 2025.
How much traffic does US281 over I090 carry?
About 1,694 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is US281 over I090?
The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns US281 over I090?
It is owned by the State Highway Agency.