Signal Butte RD over Wash
GoodMaricopa County, Arizona · N of Quarterline · Structure no. 11547
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 4,011
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Signal Butte RD over Wash is a concrete continuous culvert carrying Signal Butte RD 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 4,011 vehicles a day, roughly 5% of them trucks, projected to reach 4,021 by 2041. The structure is 26 ft (7.9 m) long. 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 |
|---|---|---|
| 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 Signal Butte RD over Wash built?
It was built in 2004, making it 21 years old in 2025.
What condition is Signal Butte RD 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 January 2025.
How much traffic does Signal Butte RD over Wash carry?
About 4,011 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Signal Butte RD over Wash?
The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m).
Who owns Signal Butte RD over Wash?
It is owned by the County Highway Agency.