US Bridges

University Drive over I 10

Good

Maricopa County, Arizona · 3.41 MI W JCT US 60 · Structure no. 02004

Built
1986
39 years old, rebuilt 1990
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
270 ft
2 main spans
Daily traffic
35,180
2022 count
Owner
State
State Highway Agency

About this bridge

University Drive over I 10 is a prestressed concrete continuous stringer/multi-beam or girder carrying University Drive over I 10 in Maricopa County, Arizona. It was built in 1986 and reconstructed in 1990, 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 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 35,180 vehicles a day, roughly 4% of them trucks, projected to reach 35,190 by 2042. The structure is 270 ft (82.3 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUniversity Drive
CrossesI 10
Location3.41 MI W JCT US 60
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4115, -112.0109
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 inspectionMarch 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 rating99 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length270 ft (82.3 m)
Longest span133 ft (40.5 m)
Deck width99 ft (30.2 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic35,180 (2022)
Projected traffic35,190 by 2042
Trucks4%
Lanes on structure6
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 University Drive over I 10 built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1990.

What condition is University Drive over I 10 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 March 2023.

How much traffic does University Drive over I 10 carry?

About 35,180 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is University Drive over I 10?

The structure is 270 ft (82.3 m) long with a longest span of 133 ft (40.5 m) and a deck 99 ft wide.

Who owns University Drive over I 10?

It is owned by the State Highway Agency.