Smith Canyon Road over Portneuf Marsh Val Cnl
GoodBannock County, Idaho · 1.5 N. 0.3 E. Virginia · Structure no. 000000000021971
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected October 2021
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 25 ft
- 1 main span
- Daily traffic
- 80
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Smith Canyon Road over Portneuf Marsh Val Cnl is a steel stringer/multi-beam or girder carrying Smith Canyon Road over Portneuf Marsh Val Cnl in Bannock County, Idaho. It was built in 2005, so it is 20 years old, younger 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, roughly 14% of them trucks, projected to reach 120 by 2042. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Smith Canyon Road over Portneuf Marsh Val Cnl built?
It was built in 2005, making it 20 years old in 2025.
What condition is Smith Canyon Road over Portneuf Marsh Val Cnl 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 2021.
How much traffic does Smith Canyon Road over Portneuf Marsh Val Cnl carry?
About 80 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is Smith Canyon Road over Portneuf Marsh Val Cnl?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.
Who owns Smith Canyon Road over Portneuf Marsh Val Cnl?
It is owned by the County Highway Agency.