1st RD SW over Spring Valley Canal 046
FairPosted for loadTeton County, Montana · 15M NW Fairfield · Structure no. L50166003+06001
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 63 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
1st RD SW over Spring Valley Canal 046 is a wood or timber stringer/multi-beam or girder carrying 1st RD SW over Spring Valley Canal 046 in Teton County, Montana. It was built in 1986, so it is 39 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. 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 63 ft (19.2 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 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 1st RD SW over Spring Valley Canal 046 built?
It was built in 1986, making it 39 years old in 2025.
What condition is 1st RD SW over Spring Valley Canal 046 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 November 2023.
How much traffic does 1st RD SW over Spring Valley Canal 046 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 1st RD SW over Spring Valley Canal 046?
The structure is 63 ft (19.2 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.
Who owns 1st RD SW over Spring Valley Canal 046?
It is owned by the County Highway Agency.