US Bridges

North Center Op over Sky Harbor Boulevard EB

Fair

Maricopa County, Arizona · Sky Harbor Airport Term 3 · Structure no. 08527

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Concrete
Length
122 ft
2 main spans
Daily traffic
500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Center Op over Sky Harbor Boulevard EB is a concrete girder and floorbeam system carrying North Center Op over Sky Harbor Boulevard EB in Maricopa County, Arizona. It was built in 1979, so it is 46 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2041. The structure is 122 ft (37.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Center Op
CrossesSky Harbor Boulevard EB
LocationSky Harbor Airport Term 3
CountyMaricopa County
StateArizona
Coordinates33.436, -112.0088
Functional classUrban Local

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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.5 US tons
Inventory rating35.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span68 ft (20.6 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck10 ft (3 m)

Traffic and service

Average daily traffic500 (2021)
Projected traffic510 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was North Center Op over Sky Harbor Boulevard EB built?

It was built in 1979, making it 46 years old in 2025.

What condition is North Center Op over Sky Harbor Boulevard EB 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 February 2023.

How much traffic does North Center Op over Sky Harbor Boulevard EB carry?

About 500 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is North Center Op over Sky Harbor Boulevard EB?

The structure is 122 ft (37.2 m) long with a longest span of 68 ft (20.6 m) and a deck 34 ft wide.

Who owns North Center Op over Sky Harbor Boulevard EB?

It is owned by the City or Municipal Highway Agency.