Lacrosse ST over I090
FairPennington County, South Dakota · Lacrosse ST Interchange · Structure no. 000000052424285
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 222 ft
- 2 main spans
- Daily traffic
- 16,908
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Lacrosse ST over I090 is a steel continuous stringer/multi-beam or girder carrying Lacrosse ST over I090 in Pennington County, South Dakota. It was built in 1983, so it is 42 years old, younger 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 16,908 vehicles a day, roughly 1% of them trucks, projected to reach 20,680 by 2043. The structure is 222 ft (67.8 m) long and 52 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lacrosse ST over I090 built?
It was built in 1983, making it 42 years old in 2025.
What condition is Lacrosse ST 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 January 2025.
How much traffic does Lacrosse ST over I090 carry?
About 16,908 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Lacrosse ST over I090?
The structure is 222 ft (67.8 m) long with a longest span of 114 ft (34.7 m) and a deck 52 ft wide.
Who owns Lacrosse ST over I090?
It is owned by the State Highway Agency.