Placid Lake RD over Owl Creek 076
GoodMissoula County, Montana · 3M S Seeley Lake · Structure no. L32400001+05001
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 40 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Placid Lake RD over Owl Creek 076 is a wood or timber stringer/multi-beam or girder carrying Placid Lake RD over Owl Creek 076 in Missoula County, Montana. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 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 Placid Lake RD over Owl Creek 076 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Placid Lake RD over Owl Creek 076 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 October 2023.
How much traffic does Placid Lake RD over Owl Creek 076 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Placid Lake RD over Owl Creek 076?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.
Who owns Placid Lake RD over Owl Creek 076?
It is owned by the County Highway Agency.