US Bridges

Estrella Parkway over Gila River

Fair

Maricopa County, Arizona · 0.8 MI S of Broadway · Structure no. 07565

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,175 ft
18 main spans
Daily traffic
11,955
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Estrella Parkway over Gila River is a prestressed concrete continuous stringer/multi-beam or girder carrying Estrella Parkway over Gila River in Maricopa County, Arizona. It was built in 1988, so it is 37 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 11,955 vehicles a day, roughly 5% of them trucks, projected to reach 11,965 by 2040. The structure is 2,175 ft (662.9 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesEstrella Parkway
CrossesGila River
Location0.8 MI S of Broadway
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3884, -112.3924
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length2,175 ft (662.9 m)
Longest span121 ft (36.9 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,955 (2020)
Projected traffic11,965 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Estrella Parkway over Gila River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Estrella Parkway over Gila River 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 June 2023.

How much traffic does Estrella Parkway over Gila River carry?

About 11,955 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Estrella Parkway over Gila River?

The structure is 2,175 ft (662.9 m) long with a longest span of 121 ft (36.9 m) and a deck 44 ft wide.

Who owns Estrella Parkway over Gila River?

It is owned by the City or Municipal Highway Agency.