I 90 over Int Pipestone
GoodJefferson County, Montana · 6.8M W Whitehall · Structure no. I00090241+09761
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 4,650
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int Pipestone is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Pipestone in Jefferson County, Montana. It was built in 1966, so it is 59 years old, older than the Montana average of 47 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 4,650 vehicles a day, roughly 24% of them trucks, projected to reach 4,952 by 2043. The structure is 125 ft (38 m) long and 39 ft wide.
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 I 90 over Int Pipestone built?
It was built in 1966, making it 59 years old in 2025.
What condition is I 90 over Int Pipestone 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 2024.
How much traffic does I 90 over Int Pipestone carry?
About 4,650 vehicles per day (2023 count), of which roughly 24% are trucks.
How long is I 90 over Int Pipestone?
The structure is 125 ft (38 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.
Who owns I 90 over Int Pipestone?
It is owned by the State Highway Agency.