I-90 over Peterson Creek
FairPark County, Montana · 5M W Springdale · Structure no. I00090349+01322
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected December 2024
- Type
- Slab
- Concrete Continuous
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 5,766
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Peterson Creek is a concrete continuous slab carrying I-90 over Peterson Creek in Park County, Montana. It was built in 2012, so it is 13 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 60 ft (18.3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Peterson Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is I-90 over Peterson 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 December 2024.
How much traffic does I-90 over Peterson Creek carry?
About 5,766 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is I-90 over Peterson Creek?
The structure is 60 ft (18.3 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.
Who owns I-90 over Peterson Creek?
It is owned by the State Highway Agency.