US Bridges

Williams Field RD over E Maricopa Fldwy

Fair

Maricopa County, Arizona · 500 E/ Power RD · Structure no. 08644

Built
1981
44 years old, rebuilt 2014
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
10,304
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Williams Field RD over E Maricopa Fldwy is a prestressed concrete tee beam carrying Williams Field RD over E Maricopa Fldwy in Maricopa County, Arizona. It was built in 1981 and reconstructed in 2014, so it is 44 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 10,304 vehicles a day, roughly 5% of them trucks, projected to reach 10,314 by 2042. The structure is 102 ft (31.1 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWilliams Field RD
CrossesE Maricopa Fldwy
Location500 E/ Power RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3072, -111.6877
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating64 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span50 ft (15.2 m)
Deck width121 ft (36.8 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,304 (2023)
Projected traffic10,314 by 2042
Trucks5%
Lanes on structure8
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 Williams Field RD over E Maricopa Fldwy built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2014.

What condition is Williams Field RD over E Maricopa Fldwy 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 October 2023.

How much traffic does Williams Field RD over E Maricopa Fldwy carry?

About 10,304 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Williams Field RD over E Maricopa Fldwy?

The structure is 102 ft (31.1 m) long with a longest span of 50 ft (15.2 m) and a deck 121 ft wide.

Who owns Williams Field RD over E Maricopa Fldwy?

It is owned by the City or Municipal Highway Agency.