Tamarack Flat Road over Third Fork
GoodGem County, Idaho · 5.5 MI SW Granite Peak · Structure no. 040206000001135
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 15
- 2018 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Tamarack Flat Road over Third Fork is a wood or timber stringer/multi-beam or girder carrying Tamarack Flat Road over Third Fork in Gem County, Idaho. It was built in 1970, so it is 55 years old, older than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15 vehicles a day, projected to reach 22 by 2045. The structure is 24 ft (7.3 m) long and 17 ft wide. If it were closed, the detour would be 41.6 mi (67 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tamarack Flat Road over Third Fork built?
It was built in 1970, making it 55 years old in 2025.
What condition is Tamarack Flat Road over Third Fork in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does Tamarack Flat Road over Third Fork carry?
About 15 vehicles per day (2018 count).
How long is Tamarack Flat Road over Third Fork?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.
Who owns Tamarack Flat Road over Third Fork?
It is owned by the U.S. Forest Service.