I 90 over Int Jackson Creek
FairGallatin County, Montana · 9.9M E Bozeman · Structure no. I00090319+06691
- Built
- 1979
- 46 years old, rebuilt 2008
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 8,272
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int Jackson Creek is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Jackson Creek in Gallatin County, Montana. It was built in 1979 and reconstructed in 2008, so it is 46 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 8,272 vehicles a day, roughly 16% of them trucks, projected to reach 9,016 by 2043. The structure is 130 ft (39.6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 over Int Jackson Creek built?
It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2008.
What condition is I 90 over Int Jackson Creek 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 Jackson Creek carry?
About 8,272 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is I 90 over Int Jackson Creek?
The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.
Who owns I 90 over Int Jackson Creek?
It is owned by the State Highway Agency.