I 90 over Int Mission Creek
FairPark County, Montana · 9.9M E Livingston · Structure no. I00090343+02791
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 5,766
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int Mission Creek is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Mission Creek in Park County, Montana. It was built in 1987, so it is 38 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 5,766 vehicles a day, roughly 19% of them trucks, projected to reach 6,284 by 2043. The structure is 135 ft (41.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 Mission Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is I 90 over Int Mission 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 October 2024.
How much traffic does I 90 over Int Mission Creek carry?
About 5,766 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is I 90 over Int Mission Creek?
The structure is 135 ft (41.1 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.
Who owns I 90 over Int Mission Creek?
It is owned by the State Highway Agency.