US Bridges

Palo Verde Road over I 10

Good

Maricopa County, Arizona · 6.4 MI West of JCT SR 85 · Structure no. 02078

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
271 ft
2 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

Palo Verde Road over I 10 is a prestressed concrete continuous stringer/multi-beam or girder carrying Palo Verde Road over I 10 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 1,610 by 2041. The structure is 271 ft (82.6 m) long and 121 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPalo Verde Road
CrossesI 10
Location6.4 MI West of JCT SR 85
RouteCounty Highway 0
StateArizona
Coordinates33.4396, -112.6773
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length271 ft (82.6 m)
Longest span133 ft (40.5 m)
Deck width121 ft (36.8 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic1,610 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Palo Verde Road over I 10 built?

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

What condition is Palo Verde Road over I 10 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Palo Verde Road over I 10 carry?

About 1,600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Palo Verde Road over I 10?

The structure is 271 ft (82.6 m) long with a longest span of 133 ft (40.5 m) and a deck 121 ft wide.

Who owns Palo Verde Road over I 10?

It is owned by the State Highway Agency.