I090 W over SD037S
FairDavison County, South Dakota · SD37S Interch · Structure no. 000000018157107
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 266 ft
- 4 main spans
- Daily traffic
- 7,206
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I090 W over SD037S is a steel continuous stringer/multi-beam or girder carrying I090 W over SD037S in Davison County, South Dakota. It was built in 1966, so it is 59 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 7,206 vehicles a day, roughly 21% of them trucks, projected to reach 11,213 by 2044. The structure is 266 ft (81.2 m) long and 34 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 | 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 I090 W over SD037S built?
It was built in 1966, making it 59 years old in 2025.
What condition is I090 W over SD037S 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 February 2025.
How much traffic does I090 W over SD037S carry?
About 7,206 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is I090 W over SD037S?
The structure is 266 ft (81.2 m) long with a longest span of 77 ft (23.5 m) and a deck 34 ft wide.
Who owns I090 W over SD037S?
It is owned by the State Highway Agency.