Loiselle LN over Frenchtown IRR Canal 099
GoodMissoula County, Montana · 3M S Frenchtown · Structure no. L32161000+02001
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 25 ft
- 1 main span
- Daily traffic
- 205
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Loiselle LN over Frenchtown IRR Canal 099 is a steel stringer/multi-beam or girder carrying Loiselle LN over Frenchtown IRR Canal 099 in Missoula County, Montana. It was built in 1960, so it is 65 years old, older 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 205 vehicles a day, roughly 3% of them trucks, projected to reach 219 by 2043. The structure is 25 ft (7.6 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Loiselle LN over Frenchtown IRR Canal 099 built?
It was built in 1960, making it 65 years old in 2025.
What condition is Loiselle LN over Frenchtown IRR Canal 099 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 March 2024.
How much traffic does Loiselle LN over Frenchtown IRR Canal 099 carry?
About 205 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Loiselle LN over Frenchtown IRR Canal 099?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.
Who owns Loiselle LN over Frenchtown IRR Canal 099?
It is owned by the County Highway Agency.