SR 51 over Cap Canal
GoodMaricopa County, Arizona · 1.0 MI S JCT L101 · Structure no. 01456
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 334 ft
- 3 main spans
- Daily traffic
- 54,802
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR 51 over Cap Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 51 over Cap Canal 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 54,802 vehicles a day, roughly 7% of them trucks, projected to reach 54,812 by 2042. The structure is 334 ft (101.8 m) long and 95 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 51 over Cap Canal built?
It was built in 2003, making it 22 years old in 2025.
What condition is SR 51 over Cap 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 2023.
How much traffic does SR 51 over Cap Canal carry?
About 54,802 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is SR 51 over Cap Canal?
The structure is 334 ft (101.8 m) long with a longest span of 111 ft (33.8 m) and a deck 95 ft wide.
Who owns SR 51 over Cap Canal?
It is owned by the State Highway Agency.