Stevensville Airpo over Supply Ditch 092
FairRavalli County, Montana · 1M NE Stevensville · Structure no. L41305000+01001
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected March 2024
- Type
- Channel Beam
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Stevensville Airpo over Supply Ditch 092 is a concrete channel beam carrying Stevensville Airpo over Supply Ditch 092 in Ravalli County, Montana. It was built in 1987, so it is 38 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stevensville Airpo over Supply Ditch 092 built?
It was built in 1987, making it 38 years old in 2025.
What condition is Stevensville Airpo over Supply Ditch 092 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 March 2024.
How much traffic does Stevensville Airpo over Supply Ditch 092 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Stevensville Airpo over Supply Ditch 092?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.
Who owns Stevensville Airpo over Supply Ditch 092?
It is owned by the County Highway Agency.