US Bridges

Southeast Overpass over Sky Harbor Boulevard WB

Fair

Maricopa County, Arizona · Sky Harbor Airport Term 3 · Structure no. 08514

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Concrete
Length
133 ft
2 main spans
Daily traffic
1,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southeast Overpass over Sky Harbor Boulevard WB is a concrete girder and floorbeam system carrying Southeast Overpass over Sky Harbor Boulevard WB 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,010 by 2041. The structure is 133 ft (40.5 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSoutheast Overpass
CrossesSky Harbor Boulevard WB
LocationSky Harbor Airport Term 3
StateArizona
Coordinates33.4349, -112.008
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span68 ft (20.7 m)
Deck width46 ft (14 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,010 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 Southeast Overpass over Sky Harbor Boulevard WB built?

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

What condition is Southeast Overpass over Sky Harbor Boulevard WB 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 Southeast Overpass over Sky Harbor Boulevard WB carry?

About 1,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Southeast Overpass over Sky Harbor Boulevard WB?

The structure is 133 ft (40.5 m) long with a longest span of 68 ft (20.7 m) and a deck 46 ft wide.

Who owns Southeast Overpass over Sky Harbor Boulevard WB?

It is owned by the City or Municipal Highway Agency.