US Bridges

Greenfield RD over Eastern Canal

Fair

Maricopa County, Arizona · 0.1 MI N of Warner RD · Structure no. 08760

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
17,730
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Greenfield RD over Eastern Canal is a prestressed concrete box beam or girders - multiple carrying Greenfield RD over Eastern Canal in Maricopa County, Arizona. It was built in 1983, so it is 42 years old, younger 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 17,730 vehicles a day, roughly 1% of them trucks, projected to reach 17,740 by 2042. The structure is 135 ft (41.1 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesGreenfield RD
CrossesEastern Canal
Location0.1 MI N of Warner RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.33744, -111.73822
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating99 US tons
Inventory rating69 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span126 ft (38.4 m)
Deck width80 ft (24.4 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,730 (2023)
Projected traffic17,740 by 2042
Trucks1%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 1983, making it 42 years old in 2025.

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 September 2024.

How much traffic does Greenfield RD over Eastern Canal carry?

About 17,730 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Greenfield RD over Eastern Canal?

The structure is 135 ft (41.1 m) long with a longest span of 126 ft (38.4 m) and a deck 80 ft wide.

Who owns Greenfield RD over Eastern Canal?

It is owned by the Town or Township Highway Agency.