US 12 FH 11 over Lolo Creek
GoodMissoula County, Montana · 1M S Lolo Hot Springs · Structure no. P00093005+08431
- Built
- 1951
- 74 years old, rebuilt 1978
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 28 ft
- 1 main span
- Daily traffic
- 793
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12 FH 11 over Lolo Creek is a wood or timber stringer/multi-beam or girder carrying US 12 FH 11 over Lolo Creek in Missoula County, Montana. It was built in 1951 and reconstructed in 1978, so it is 74 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 793 vehicles a day, roughly 7% of them trucks, projected to reach 833 by 2043. The structure is 28 ft (8.5 m) long and 31 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 | 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 US 12 FH 11 over Lolo Creek built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1978.
What condition is US 12 FH 11 over Lolo 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 US 12 FH 11 over Lolo Creek carry?
About 793 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 12 FH 11 over Lolo Creek?
The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.
Who owns US 12 FH 11 over Lolo Creek?
It is owned by the State Highway Agency.