Marshall Lake RD over W Fk Clearwater River
FairMissoula County, Montana · Marshall Lk · Structure no. 011606000000094
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 540
- 2007 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Marshall Lake RD over W Fk Clearwater River is a wood or timber stringer/multi-beam or girder carrying Marshall Lake RD over W Fk Clearwater River in Missoula County, Montana. It was built in 1963, so it is 62 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 5 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 540 vehicles a day, roughly 7% of them trucks, projected to reach 810 by 2045. The structure is 24 ft (7.3 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marshall Lake RD over W Fk Clearwater River built?
It was built in 1963, making it 62 years old in 2025.
What condition is Marshall Lake RD over W Fk Clearwater River 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 2024.
How much traffic does Marshall Lake RD over W Fk Clearwater River carry?
About 540 vehicles per day (2007 count), of which roughly 7% are trucks.
How long is Marshall Lake RD over W Fk Clearwater River?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 15 ft wide.
Who owns Marshall Lake RD over W Fk Clearwater River?
It is owned by the U.S. Forest Service.