US Bridges

T3 North Park Entr over Sky Harbor Boulevard EB

Fair

Maricopa County, Arizona · Sky Harbor Airport Term 3 · Structure no. 08529

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

About this bridge

T3 North Park Entr over Sky Harbor Boulevard EB is a concrete continuous girder and floorbeam system carrying T3 North Park Entr 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 2,500 vehicles a day, projected to reach 2,510 by 2041. The structure is 100 ft (30.5 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT3 North Park Entr
CrossesSky Harbor Boulevard EB
LocationSky Harbor Airport Term 3
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.436, -112.007
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span52 ft (15.8 m)
Deck width67 ft (20.4 m)
Roadway width49 ft (15 m)
Vertical clearance over deck8 ft (2.3 m)

Traffic and service

Average daily traffic2,500 (2021)
Projected traffic2,510 by 2041
Trucks0%
Lanes on structure4
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 T3 North Park Entr over Sky Harbor Boulevard EB built?

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

What condition is T3 North Park Entr 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 T3 North Park Entr over Sky Harbor Boulevard EB carry?

About 2,500 vehicles per day (2021 count).

How long is T3 North Park Entr over Sky Harbor Boulevard EB?

The structure is 100 ft (30.5 m) long with a longest span of 52 ft (15.8 m) and a deck 67 ft wide.

Who owns T3 North Park Entr over Sky Harbor Boulevard EB?

It is owned by the City or Municipal Highway Agency.