US Bridges

SR 143 over SR143/SKY Harbor Blvd

Fair

Maricopa County, Arizona · 1.73 MI N of JCT I-10 · Structure no. 02927

Built
2011
14 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,672 ft
14 main spans
Daily traffic
9,712
2023 count
Owner
State
State Highway Agency

About this bridge

SR 143 over SR143/SKY Harbor Blvd is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 143 over SR143/SKY Harbor Blvd in Maricopa County, Arizona. It was built in 2011, so it is 14 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 9,712 vehicles a day, roughly 5% of them trucks, projected to reach 9,722 by 2042. The structure is 1,672 ft (509.6 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 143
CrossesSR143/SKY Harbor Blvd
Location1.73 MI N of JCT I-10
RouteState Highway 143
CountyMaricopa County
StateArizona
Coordinates33.4363, -111.9792
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
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 rating99 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadHL 93
Structure length1,672 ft (509.6 m)
Longest span140 ft (42.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,712 (2023)
Projected traffic9,722 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed6.8 mi (11 km)
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 SR143/SKY Harbor Blvd built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR 143 over SR143/SKY Harbor Blvd 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 June 2023.

How much traffic does SR 143 over SR143/SKY Harbor Blvd carry?

About 9,712 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 143 over SR143/SKY Harbor Blvd?

The structure is 1,672 ft (509.6 m) long with a longest span of 140 ft (42.7 m) and a deck 31 ft wide.

Who owns SR 143 over SR143/SKY Harbor Blvd?

It is owned by the State Highway Agency.