5th LN NE over Greenfield Canal 043
FairTeton County, Montana · 7M NE Fairfield · Structure no. L50111001+05001
- Built
- 1988
- 37 years old, rebuilt 2009
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 58 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
5th LN NE over Greenfield Canal 043 is a wood or timber stringer/multi-beam or girder carrying 5th LN NE over Greenfield Canal 043 in Teton County, Montana. It was built in 1988 and reconstructed in 2009, so it is 37 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 58 ft (17.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 5th LN NE over Greenfield Canal 043 built?
It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2009.
What condition is 5th LN NE over Greenfield Canal 043 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 December 2023.
How much traffic does 5th LN NE over Greenfield Canal 043 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 5th LN NE over Greenfield Canal 043?
The structure is 58 ft (17.6 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.
Who owns 5th LN NE over Greenfield Canal 043?
It is owned by the County Highway Agency.