US Bridges

Greenfield RD over Rwcd Canal

Fair

Maricopa County, Arizona · 0.3 MI N of Brown RD · Structure no. 08939

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
20,757
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Greenfield RD over Rwcd Canal is a prestressed concrete box beam or girders - multiple carrying Greenfield RD over Rwcd Canal in Maricopa County, Arizona. It was built in 1986, so it is 39 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 5 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 20,757 vehicles a day, roughly 5% of them trucks, projected to reach 20,767 by 2042. The structure is 82 ft (25 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGreenfield RD
CrossesRwcd Canal
Location0.3 MI N of Brown RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.44228, -111.73625
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 rating99 US tons
Inventory rating68 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width86 ft (26.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic20,757 (2023)
Projected traffic20,767 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Rwcd Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is Greenfield RD over Rwcd 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 December 2024.

How much traffic does Greenfield RD over Rwcd Canal carry?

About 20,757 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Greenfield RD over Rwcd Canal?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 86 ft wide.

Who owns Greenfield RD over Rwcd Canal?

It is owned by the City or Municipal Highway Agency.