I 90 over Int Galen
FairDeer Lodge County, Montana · 3.7M N Warm Springs · Structure no. I00090197+05601
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 133 ft
- 3 main spans
- Daily traffic
- 5,814
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int Galen is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Galen in Deer Lodge County, Montana. It was built in 1978, so it is 47 years old, younger than the Montana average of 47 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 5,814 vehicles a day, roughly 16% of them trucks, projected to reach 6,308 by 2043. The structure is 133 ft (40.5 m) long and 44 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 over Int Galen built?
It was built in 1978, making it 47 years old in 2025.
What condition is I 90 over Int Galen 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 July 2024.
How much traffic does I 90 over Int Galen carry?
About 5,814 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is I 90 over Int Galen?
The structure is 133 ft (40.5 m) long with a longest span of 61 ft (18.7 m) and a deck 44 ft wide.
Who owns I 90 over Int Galen?
It is owned by the State Highway Agency.