I090 W over Willow Ck
FairMinnehaha County, South Dakota · 3 W I 29 Interch · Structure no. 000000050152165
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 8,815
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I090 W over Willow Ck is a concrete continuous slab carrying I090 W over Willow Ck in Minnehaha County, South Dakota. It was built in 1961, so it is 64 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 8,815 vehicles a day, roughly 19% of them trucks, projected to reach 13,267 by 2044. The structure is 119 ft (36.3 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I090 W over Willow Ck built?
It was built in 1961, making it 64 years old in 2025.
What condition is I090 W over Willow 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 April 2024.
How much traffic does I090 W over Willow Ck carry?
About 8,815 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is I090 W over Willow Ck?
The structure is 119 ft (36.3 m) long with a longest span of 43 ft (13 m) and a deck 42 ft wide.
Who owns I090 W over Willow Ck?
It is owned by the State Highway Agency.