I 15 Sbl over Gibson Canal
GoodBingham County, Idaho · 5.5 S. Blackfoot · Structure no. 000000000011420
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected February 2025
- Type
- Frame
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 13,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 Sbl over Gibson Canal is a concrete frame carrying I 15 Sbl over Gibson Canal in Bingham County, Idaho. It was built in 1959, so it is 66 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 13,750 vehicles a day, roughly 17% of them trucks, projected to reach 20,625 by 2042. The structure is 21 ft (6.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 15 Sbl over Gibson Canal built?
It was built in 1959, making it 66 years old in 2025.
What condition is I 15 Sbl over Gibson Canal 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 February 2025.
How much traffic does I 15 Sbl over Gibson Canal carry?
About 13,750 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is I 15 Sbl over Gibson Canal?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 47 ft wide.
Who owns I 15 Sbl over Gibson Canal?
It is owned by the State Highway Agency.