US Bridges

Palo Verde Road over Tucson Diversion Channel

Good

Pima County, Arizona · At Palo Verde RD · Structure no. 10500

Built
2012
13 years old
Condition
Good
inspected January 2023
Type
Arch - Deck
Concrete
Length
87 ft
1 main span
Daily traffic
27,110
2022 count
Owner
County
County Highway Agency

About this bridge

Palo Verde Road over Tucson Diversion Channel is a concrete arch - deck carrying Palo Verde Road over Tucson Diversion Channel in Pima County, Arizona. It was built in 2012, so it is 13 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 27,110 vehicles a day, roughly 5% of them trucks, projected to reach 27,120 by 2042. The structure is 87 ft (26.5 m) long and 120 ft wide.

Location

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CarriesPalo Verde Road
CrossesTucson Diversion Channel
LocationAt Palo Verde RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.18778, -110.91756
Functional classUrban 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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span87 ft (26.5 m)
Deck width120 ft (36.6 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,110 (2022)
Projected traffic27,120 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Palo Verde Road over Tucson Diversion Channel built?

It was built in 2012, making it 13 years old in 2025.

What condition is Palo Verde Road over Tucson Diversion Channel 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 January 2023.

How much traffic does Palo Verde Road over Tucson Diversion Channel carry?

About 27,110 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Palo Verde Road over Tucson Diversion Channel?

The structure is 87 ft (26.5 m) long with a longest span of 87 ft (26.5 m) and a deck 120 ft wide.

Who owns Palo Verde Road over Tucson Diversion Channel?

It is owned by the County Highway Agency.