I 15 over Int Snowline Stock LN
FairBeaverhead County, Montana · 5.6M S Lima · Structure no. I00015009+05281
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 1,771
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 over Int Snowline Stock LN is a concrete continuous slab carrying I 15 over Int Snowline Stock LN in Beaverhead County, Montana. It was built in 1981, so it is 44 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 1,771 vehicles a day, roughly 30% of them trucks, projected to reach 1,894 by 2043. The structure is 78 ft (23.8 m) long and 44 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 15 over Int Snowline Stock LN built?
It was built in 1981, making it 44 years old in 2025.
What condition is I 15 over Int Snowline Stock LN 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 15 over Int Snowline Stock LN carry?
About 1,771 vehicles per day (2023 count), of which roughly 30% are trucks.
How long is I 15 over Int Snowline Stock LN?
The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.
Who owns I 15 over Int Snowline Stock LN?
It is owned by the State Highway Agency.