US Bridges

Airport Upper Road over T4 EB Frontage Rd.

Fair

Maricopa County, Arizona · Terminal 4 · Structure no. 07977

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
630 ft
8 main spans
Daily traffic
6,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Upper Road over T4 EB Frontage Rd. is a prestressed concrete continuous stringer/multi-beam or girder carrying Airport Upper Road over T4 EB Frontage Rd. in Maricopa County, Arizona. It was built in 1991, so it is 34 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 6,700 vehicles a day, roughly 1% of them trucks, projected to reach 6,710 by 2041. The structure is 630 ft (192 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAirport Upper Road
CrossesT4 EB Frontage Rd.
LocationTerminal 4
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4359, -111.9958
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length630 ft (192 m)
Longest span90 ft (27.4 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic6,710 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Airport Upper Road over T4 EB Frontage Rd. built?

It was built in 1991, making it 34 years old in 2025.

What condition is Airport Upper Road over T4 EB Frontage Rd. 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 October 2023.

How much traffic does Airport Upper Road over T4 EB Frontage Rd. carry?

About 6,700 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Airport Upper Road over T4 EB Frontage Rd.?

The structure is 630 ft (192 m) long with a longest span of 90 ft (27.4 m) and a deck 19 ft wide.

Who owns Airport Upper Road over T4 EB Frontage Rd.?

It is owned by the City or Municipal Highway Agency.