Pine Butte RD over Highline Canal 116
FairPosted for loadGallatin County, Montana · 6M S Belgrade · Structure no. L16491001+02001
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 27 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Pine Butte RD over Highline Canal 116 is a wood or timber stringer/multi-beam or girder carrying Pine Butte RD over Highline Canal 116 in Gallatin 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. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 27 ft (8.2 m) long and 17 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pine Butte RD over Highline Canal 116 built?
It was built in 1987, making it 38 years old in 2025.
What condition is Pine Butte RD over Highline Canal 116 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 2023.
How much traffic does Pine Butte RD over Highline Canal 116 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Pine Butte RD over Highline Canal 116?
The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 17 ft wide.
Who owns Pine Butte RD over Highline Canal 116?
It is owned by the County Highway Agency.