US Bridges

32nd Street over SR 51

Good

Maricopa County, Arizona · 9.0 MI N JCT I-10 · Structure no. 02224

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
322 ft
2 main spans
Daily traffic
9,559
2022 count
Owner
State
State Highway Agency

About this bridge

32nd Street over SR 51 is a prestressed concrete continuous box beam or girders - single or spread carrying 32nd Street over SR 51 in Maricopa County, Arizona. It was built in 1995, so it is 30 years old, younger 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 9,559 vehicles a day, roughly 4% of them trucks, projected to reach 9,569 by 2042. The structure is 322 ft (98.1 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries32nd Street
CrossesSR 51
Location9.0 MI N JCT I-10
RouteCity Street 0
StateArizona
Coordinates33.5762, -112.013
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span170 ft (51.8 m)
Deck width85 ft (25.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck40 ft (12.3 m)

Traffic and service

Average daily traffic9,559 (2022)
Projected traffic9,569 by 2042
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 32nd Street over SR 51 built?

It was built in 1995, making it 30 years old in 2025.

What condition is 32nd Street over SR 51 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 November 2023.

How much traffic does 32nd Street over SR 51 carry?

About 9,559 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is 32nd Street over SR 51?

The structure is 322 ft (98.1 m) long with a longest span of 170 ft (51.8 m) and a deck 85 ft wide.

Who owns 32nd Street over SR 51?

It is owned by the State Highway Agency.