US Bridges

Greenfield RD over Eastern Canal

Fair

Maricopa County, Arizona · 0.4 MI N of Baseline · Structure no. 08017

Built
1972
53 years old, rebuilt 2010
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
39,270
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Greenfield RD over Eastern Canal is a concrete frame carrying Greenfield RD over Eastern Canal in Maricopa County, Arizona. It was built in 1972 and reconstructed in 2010, so it is 53 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 39,270 vehicles a day, roughly 5% of them trucks, projected to reach 39,280 by 2042. The structure is 28 ft (8.5 m) long and 144 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGreenfield RD
CrossesEastern Canal
Location0.4 MI N of Baseline
RouteCity Street 0
StateArizona
Coordinates33.3847, -111.7372
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width144 ft (44 m)
Roadway width122 ft (37.3 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic39,270 (2023)
Projected traffic39,280 by 2042
Trucks5%
Lanes on structure7
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 Greenfield RD over Eastern Canal built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2010.

What condition is Greenfield RD over Eastern Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Greenfield RD over Eastern Canal carry?

About 39,270 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Greenfield RD over Eastern Canal?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 144 ft wide.

Who owns Greenfield RD over Eastern Canal?

It is owned by the City or Municipal Highway Agency.