SD090 P over I090
FairAurora County, South Dakota · White Lake Interchange · Structure no. 000000002040149
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 252 ft
- 4 main spans
- Daily traffic
- 261
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD090 P over I090 is a steel continuous stringer/multi-beam or girder carrying SD090 P over I090 in Aurora County, South Dakota. It was built in 1964, 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 261 vehicles a day, roughly 5% of them trucks, projected to reach 388 by 2044. The structure is 252 ft (76.9 m) long and 35 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD090 P over I090 built?
It was built in 1964, making it 61 years old in 2025.
What condition is SD090 P 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 November 2024.
How much traffic does SD090 P over I090 carry?
About 261 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is SD090 P over I090?
The structure is 252 ft (76.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.
Who owns SD090 P over I090?
It is owned by the State Highway Agency.