12th Street over Wash
GoodMaricopa County, Arizona · N of Circle Mtn RD · Structure no. 10553
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected December 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 63 ft
- 7 main spans
- Daily traffic
- 900
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
12th Street over Wash is a concrete continuous culvert carrying 12th Street over Wash in Maricopa County, Arizona. It was built in 2004, so it is 21 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 900 vehicles a day, projected to reach 910 by 2042. The structure is 63 ft (19.2 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 12th Street over Wash built?
It was built in 2004, making it 21 years old in 2025.
What condition is 12th Street over Wash 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 December 2022.
How much traffic does 12th Street over Wash carry?
About 900 vehicles per day (2022 count).
How long is 12th Street over Wash?
The structure is 63 ft (19.2 m) long with a longest span of 8 ft (2.4 m).
Who owns 12th Street over Wash?
It is owned by the County Highway Agency.