Sloan RD over Flathead River 075
FairSanders County, Montana · 10M W Ronan · Structure no. L45225007+03001
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 442 ft
- 5 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Sloan RD over Flathead River 075 is a prestressed concrete stringer/multi-beam or girder carrying Sloan RD over Flathead River 075 in Sanders County, Montana. It was built in 1972, so it is 53 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 442 ft (134.7 m) long and 35 ft wide. If it were closed, the detour would be 64 mi (103 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 | 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 Sloan RD over Flathead River 075 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Sloan RD over Flathead River 075 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 April 2024.
How much traffic does Sloan RD over Flathead River 075 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Sloan RD over Flathead River 075?
The structure is 442 ft (134.7 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.
Who owns Sloan RD over Flathead River 075?
It is owned by the County Highway Agency.