US Bridges

West Service Road over Sky Harbor Boulevard WB

Fair

Maricopa County, Arizona · East of Terminal 4 · Structure no. 07966

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
2,010
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Service Road over Sky Harbor Boulevard WB is a prestressed concrete box beam or girders - single or spread carrying West Service Road over Sky Harbor Boulevard WB in Maricopa County, Arizona. It was built in 1990, so it is 35 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 2,010 vehicles a day, roughly 1% of them trucks, projected to reach 2,020 by 2042. The structure is 81 ft (24.7 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWest Service Road
CrossesSky Harbor Boulevard WB
LocationEast of Terminal 4
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4349, -111.9916
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 inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span81 ft (24.7 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,010 (2022)
Projected traffic2,020 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-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 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 West Service Road over Sky Harbor Boulevard WB built?

It was built in 1990, making it 35 years old in 2025.

What condition is West Service Road 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 March 2023.

How much traffic does West Service Road over Sky Harbor Boulevard WB carry?

About 2,010 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is West Service Road over Sky Harbor Boulevard WB?

The structure is 81 ft (24.7 m) long with a longest span of 81 ft (24.7 m) and a deck 51 ft wide.

Who owns West Service Road over Sky Harbor Boulevard WB?

It is owned by the City or Municipal Highway Agency.