I-10 WB over Blue Nob Canyon
GoodPima County, Arizona · 18.1 MI E JCT SR B10 · Structure no. 05558
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected November 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 12,275
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I-10 WB over Blue Nob Canyon is a concrete continuous culvert carrying I-10 WB over Blue Nob Canyon in Pima County, Arizona. It was built in 1961, so it is 64 years old, older than the Arizona average of 47.8 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 12,275 vehicles a day, roughly 17% of them trucks, projected to reach 12,285 by 2040. The structure is 21 ft (6.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-10 WB over Blue Nob Canyon built?
It was built in 1961, making it 64 years old in 2025.
What condition is I-10 WB over Blue Nob Canyon 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 November 2021.
How much traffic does I-10 WB over Blue Nob Canyon carry?
About 12,275 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is I-10 WB over Blue Nob Canyon?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns I-10 WB over Blue Nob Canyon?
It is owned by the State Highway Agency.