I 40; WB over Walnut Canyon
GoodCoconino County, Arizona · 14.8 MI E JCT I 17 · Structure no. 02431
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 306 ft
- 3 main spans
- Daily traffic
- 10,178
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I 40; WB over Walnut Canyon is a prestressed concrete continuous stringer/multi-beam or girder carrying I 40; WB over Walnut Canyon in Coconino County, Arizona. It was built in 1997, so it is 28 years old, younger 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 10,178 vehicles a day, roughly 48% of them trucks, projected to reach 10,188 by 2042. The structure is 306 ft (93.3 m) long and 45 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 40; WB over Walnut Canyon built?
It was built in 1997, making it 28 years old in 2025.
What condition is I 40; WB over Walnut 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 July 2024.
How much traffic does I 40; WB over Walnut Canyon carry?
About 10,178 vehicles per day (2024 count), of which roughly 48% are trucks.
How long is I 40; WB over Walnut Canyon?
The structure is 306 ft (93.3 m) long with a longest span of 101 ft (30.8 m) and a deck 45 ft wide.
Who owns I 40; WB over Walnut Canyon?
It is owned by the State Highway Agency.