Lost Trail Road over Canyon Creek
GoodYellowstone County, Montana · 10.2 Miles NW Laurel · Structure no. 000000202008013
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Lost Trail Road over Canyon Creek is a prestressed concrete tee beam carrying Lost Trail Road over Canyon Creek in Yellowstone County, Montana. It was built in 2020, so it is 5 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lost Trail Road over Canyon Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is Lost Trail Road over Canyon Creek 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 August 2024.
How much traffic does Lost Trail Road over Canyon Creek carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Lost Trail Road over Canyon Creek?
The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.
Who owns Lost Trail Road over Canyon Creek?
It is owned by the County Highway Agency.