309th Avenue over Buckeye Canal
GoodMaricopa County, Arizona · S of Lower River RD · Structure no. 07582
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 275
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
309th Avenue over Buckeye Canal is a prestressed concrete box beam or girders - multiple carrying 309th Avenue over Buckeye Canal in Maricopa County, Arizona. It was built in 1989, so it is 36 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 275 vehicles a day, roughly 10% of them trucks, projected to reach 285 by 2041. The structure is 39 ft (11.9 m) long and 52 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 309th Avenue over Buckeye Canal built?
It was built in 1989, making it 36 years old in 2025.
What condition is 309th Avenue over Buckeye 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 November 2024.
How much traffic does 309th Avenue over Buckeye Canal carry?
About 275 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is 309th Avenue over Buckeye Canal?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 52 ft wide.
Who owns 309th Avenue over Buckeye Canal?
It is owned by the County Highway Agency.