Placid Lake RD S over Owl Creek 086
FairMissoula County, Montana · 4M S Seeley Lake · Structure no. L32411000+06001
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 60 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Placid Lake RD S over Owl Creek 086 is a wood or timber stringer/multi-beam or girder carrying Placid Lake RD S over Owl Creek 086 in Missoula County, Montana. It was built in 1973, so it is 52 years old, older 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 S over Owl Creek 086 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Placid Lake RD S over Owl Creek 086 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 2023.
How much traffic does Placid Lake RD S over Owl Creek 086 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Placid Lake RD S over Owl Creek 086?
The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.
Who owns Placid Lake RD S over Owl Creek 086?
It is owned by the County Highway Agency.