Martin Camp RD over Stillwater River 081
FairFlathead County, Montana · 5M SE Olney · Structure no. L15894000+01001
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Martin Camp RD over Stillwater River 081 is a prestressed concrete tee beam carrying Martin Camp RD over Stillwater River 081 in Flathead County, Montana. It was built in 1991, so it is 34 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 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 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Martin Camp RD over Stillwater River 081 built?
It was built in 1991, making it 34 years old in 2025.
What condition is Martin Camp RD over Stillwater River 081 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 Martin Camp RD over Stillwater River 081 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Martin Camp RD over Stillwater River 081?
The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.
Who owns Martin Camp RD over Stillwater River 081?
It is owned by the County Highway Agency.