Columbia Ave over Whitefish River 109
FairFlathead County, Montana · Whitefish-Columbia Ave · Structure no. M15120000+00201
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 2 main spans
- Daily traffic
- 3,565
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Columbia Ave over Whitefish River 109 is a prestressed concrete stringer/multi-beam or girder carrying Columbia Ave over Whitefish River 109 in Flathead County, Montana. It was built in 1979, so it is 46 years old, younger 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 3,565 vehicles a day, roughly 3% of them trucks, projected to reach 3,797 by 2043. The structure is 182 ft (55.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Columbia Ave over Whitefish River 109 built?
It was built in 1979, making it 46 years old in 2025.
What condition is Columbia Ave over Whitefish River 109 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 September 2024.
How much traffic does Columbia Ave over Whitefish River 109 carry?
About 3,565 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Columbia Ave over Whitefish River 109?
The structure is 182 ft (55.5 m) long with a longest span of 95 ft (29 m) and a deck 36 ft wide.
Who owns Columbia Ave over Whitefish River 109?
It is owned by the County Highway Agency.