US Bridges

SR 143 over University Drive

Good

Maricopa County, Arizona · 0.7 MI North of JCT I 10 · Structure no. 02005

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
212 ft
1 main span
Daily traffic
81,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 143 over University Drive is a prestressed concrete box beam or girders - single or spread carrying SR 143 over University Drive in Maricopa County, Arizona. It was built in 1984, so it is 41 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 81,000 vehicles a day, roughly 12% of them trucks, projected to reach 81,010 by 2042. The structure is 212 ft (64.6 m) long and 85 ft wide.

Location

Open in Google Maps
CarriesSR 143
CrossesUniversity Drive
Location0.7 MI North of JCT I 10
RouteState Highway 143
CountyMaricopa County
StateArizona
Coordinates33.4217, -111.9781
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span204 ft (62.2 m)
Deck width85 ft (26 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,000 (2023)
Projected traffic81,010 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 SR 143 over University Drive built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 143 over University Drive 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 June 2023.

How much traffic does SR 143 over University Drive carry?

About 81,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 143 over University Drive?

The structure is 212 ft (64.6 m) long with a longest span of 204 ft (62.2 m) and a deck 85 ft wide.

Who owns SR 143 over University Drive?

It is owned by the State Highway Agency.