I 90 over Mission Creek-Int Ramp
GoodPark County, Montana · 9.9M E Livingston · Structure no. I00090343+02024
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 103 ft
- 2 main spans
- Daily traffic
- 61
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Mission Creek-Int Ramp is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Mission Creek-Int Ramp 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 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 61 vehicles a day, roughly 3% of them trucks, projected to reach 65 by 2043. The structure is 103 ft (31.4 m) long and 21 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 over Mission Creek-Int Ramp built?
It was built in 1987, making it 38 years old in 2025.
What condition is I 90 over Mission Creek-Int Ramp 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 October 2024.
How much traffic does I 90 over Mission Creek-Int Ramp carry?
About 61 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is I 90 over Mission Creek-Int Ramp?
The structure is 103 ft (31.4 m) long with a longest span of 55 ft (16.8 m) and a deck 21 ft wide.
Who owns I 90 over Mission Creek-Int Ramp?
It is owned by the State Highway Agency.