US Bridges

571st Ave_aguacal over Gila River

Fair

Maricopa County, Arizona · 9.75 MI N/ I-8 · Structure no. 07548

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
257 ft
3 main spans
Daily traffic
217
2021 count
Owner
County
County Highway Agency

About this bridge

571st Ave_aguacal over Gila River is a prestressed concrete continuous stringer/multi-beam or girder carrying 571st Ave_aguacal over Gila River in Maricopa County, Arizona. It was built in 1989, so it is 36 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 217 vehicles a day, roughly 10% of them trucks, projected to reach 227 by 2041. The structure is 257 ft (78.3 m) long and 55 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Carries571st Ave_aguacal
CrossesGila River
Location9.75 MI N/ I-8
RouteCounty Highway 0
StateArizona
Coordinates32.96238, -113.30586
Functional classRural 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.1 US tons
Inventory rating41.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span86 ft (26.2 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2021)
Projected traffic227 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 571st Ave_aguacal over Gila River built?

It was built in 1989, making it 36 years old in 2025.

What condition is 571st Ave_aguacal 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 October 2024.

How much traffic does 571st Ave_aguacal over Gila River carry?

About 217 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 571st Ave_aguacal over Gila River?

The structure is 257 ft (78.3 m) long with a longest span of 86 ft (26.2 m) and a deck 55 ft wide.

Who owns 571st Ave_aguacal over Gila River?

It is owned by the County Highway Agency.