I 90 over Int Dry Creek
FairMineral County, Montana · 5M W Superior · Structure no. I00090042+03691
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 3,719
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int Dry Creek is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Dry Creek in Mineral County, Montana. It was built in 1983, so it is 42 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 3,719 vehicles a day, roughly 27% of them trucks, projected to reach 3,904 by 2043. The structure is 135 ft (41 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 Dry Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is I 90 over Int Dry 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 January 2025.
How much traffic does I 90 over Int Dry Creek carry?
About 3,719 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is I 90 over Int Dry Creek?
The structure is 135 ft (41 m) long with a longest span of 66 ft (20 m) and a deck 44 ft wide.
Who owns I 90 over Int Dry Creek?
It is owned by the State Highway Agency.