I090 over Main ST R&w RR
GoodBrule County, South Dakota · Chamberlain Interchange · Structure no. 000000008065095
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 236 ft
- 4 main spans
- Daily traffic
- 7,260
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I090 over Main ST R&w RR is a steel continuous stringer/multi-beam or girder carrying I090 over Main ST R&w RR in Brule County, South Dakota. It was built in 1974, so it is 51 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,260 vehicles a day, roughly 23% of them trucks, projected to reach 8,894 by 2043. The structure is 236 ft (71.9 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I090 over Main ST R&w RR built?
It was built in 1974, making it 51 years old in 2025.
What condition is I090 over Main ST R&w RR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does I090 over Main ST R&w RR carry?
About 7,260 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I090 over Main ST R&w RR?
The structure is 236 ft (71.9 m) long with a longest span of 67 ft (20.4 m) and a deck 86 ft wide.
Who owns I090 over Main ST R&w RR?
It is owned by the State Highway Agency.