Mountain RD over Powerline Floodway
GoodMaricopa County, Arizona · 1.75 MI S/ Elliot RD · Structure no. 07784
- Built
- 1991
- 34 years old, rebuilt 2007
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 4,419
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mountain RD over Powerline Floodway is a prestressed concrete box beam or girders - multiple carrying Mountain RD over Powerline Floodway in Maricopa County, Arizona. It was built in 1991 and reconstructed in 2007, so it is 34 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 4,419 vehicles a day, roughly 5% of them trucks, projected to reach 44,129 by 2042. The structure is 39 ft (11.9 m) long and 88 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 Mountain RD over Powerline Floodway built?
It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2007.
What condition is Mountain RD over Powerline Floodway 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 October 2023.
How much traffic does Mountain RD over Powerline Floodway carry?
About 4,419 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Mountain RD over Powerline Floodway?
The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 88 ft wide.
Who owns Mountain RD over Powerline Floodway?
It is owned by the City or Municipal Highway Agency.