SR 51 over Low Flow Channel
GoodMaricopa County, Arizona · 0.6 MI S JCT L101 · Structure no. 01461
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 469 ft
- 4 main spans
- Daily traffic
- 55,412
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR 51 over Low Flow Channel is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 51 over Low Flow Channel in Maricopa County, Arizona. It was built in 2003, so it is 22 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 55,412 vehicles a day, roughly 7% of them trucks, projected to reach 55,422 by 2042. The structure is 469 ft (143 m) long and 73 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 SR 51 over Low Flow Channel built?
It was built in 2003, making it 22 years old in 2025.
What condition is SR 51 over Low Flow Channel 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 2023.
How much traffic does SR 51 over Low Flow Channel carry?
About 55,412 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is SR 51 over Low Flow Channel?
The structure is 469 ft (143 m) long with a longest span of 117 ft (35.7 m) and a deck 73 ft wide.
Who owns SR 51 over Low Flow Channel?
It is owned by the State Highway Agency.