Grand Jean Road over Canyon Creek
GoodBoise County, Idaho · .25 MI N Wapiti Ck Tract · Structure no. 040205000001095
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 86 ft
- 1 main span
- Daily traffic
- 80
- 2018 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Grand Jean Road over Canyon Creek is a prestressed concrete stringer/multi-beam or girder carrying Grand Jean Road over Canyon Creek in Boise County, Idaho. It was built in 1972, so it is 53 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 80 vehicles a day, projected to reach 120 by 2045. The structure is 86 ft (26.2 m) long and 28 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 8 Very Good | No problems noted. |
| 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 Grand Jean Road over Canyon Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Grand Jean Road over Canyon Creek 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 Grand Jean Road over Canyon Creek carry?
About 80 vehicles per day (2018 count).
How long is Grand Jean Road over Canyon Creek?
The structure is 86 ft (26.2 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.
Who owns Grand Jean Road over Canyon Creek?
It is owned by the U.S. Forest Service.