US Bridges

Southern Ave over Eastern Canal

Good

Maricopa County, Arizona · 1000 W JCT Greenfield RD · Structure no. 09406

Built
1969
56 years old, rebuilt 1985
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
15,102
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southern Ave over Eastern Canal is a prestressed concrete tee beam carrying Southern Ave over Eastern Canal in Maricopa County, Arizona. It was built in 1969 and reconstructed in 1985, so it is 56 years old, older 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 15,102 vehicles a day, roughly 5% of them trucks, projected to reach 15,112 by 2042. The structure is 38 ft (11.6 m) long and 87 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSouthern Ave
CrossesEastern Canal
Location1000 W JCT Greenfield RD
RouteCity Street 0
StateArizona
Coordinates33.3938, -111.7401
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width87 ft (26.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck46 ft (14 m)

Traffic and service

Average daily traffic15,102 (2023)
Projected traffic15,112 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Southern Ave over Eastern Canal built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1985.

What condition is Southern Ave over Eastern 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 September 2024.

How much traffic does Southern Ave over Eastern Canal carry?

About 15,102 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Southern Ave over Eastern Canal?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 87 ft wide.

Who owns Southern Ave over Eastern Canal?

It is owned by the City or Municipal Highway Agency.