I090 W over Whitewood Ck
FairLawrence County, South Dakota · 1.0 SE Sd 34 N Interch · Structure no. 000000041214098
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 136 ft
- 3 main spans
- Daily traffic
- 7,612
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I090 W over Whitewood Ck is a steel continuous stringer/multi-beam or girder carrying I090 W over Whitewood Ck in Lawrence County, South Dakota. It was built in 1967, so it is 58 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 5 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 7,612 vehicles a day, roughly 17% of them trucks, projected to reach 11,738 by 2044. The structure is 136 ft (41.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I090 W over Whitewood Ck built?
It was built in 1967, making it 58 years old in 2025.
What condition is I090 W over Whitewood 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 September 2023.
How much traffic does I090 W over Whitewood Ck carry?
About 7,612 vehicles per day (2024 count), of which roughly 17% are trucks.
How long is I090 W over Whitewood Ck?
The structure is 136 ft (41.4 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.
Who owns I090 W over Whitewood Ck?
It is owned by the State Highway Agency.