US Bridges

Palo Verde On-Ramp over Tucson Diversion Channel

Good

Pima County, Arizona · At Palo Verde RD · Structure no. 10502

Built
2012
13 years old
Condition
Good
inspected January 2023
Type
Arch - Deck
Concrete
Length
78 ft
1 main span
Daily traffic
6,000
2022 count
Owner
County
County Highway Agency

About this bridge

Palo Verde On-Ramp over Tucson Diversion Channel is a concrete arch - deck carrying Palo Verde On-Ramp 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 6,000 vehicles a day, roughly 3% of them trucks, projected to reach 6,010 by 2042. The structure is 78 ft (23.8 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesPalo Verde On-Ramp
CrossesTucson Diversion Channel
LocationAt Palo Verde RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.1886, -110.9167
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 protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to 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 length78 ft (23.8 m)
Longest span78 ft (23.8 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2022)
Projected traffic6,010 by 2042
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 On-Ramp over Tucson Diversion Channel built?

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

What condition is Palo Verde On-Ramp 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 On-Ramp over Tucson Diversion Channel carry?

About 6,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Palo Verde On-Ramp over Tucson Diversion Channel?

The structure is 78 ft (23.8 m) long with a longest span of 78 ft (23.8 m) and a deck 63 ft wide.

Who owns Palo Verde On-Ramp over Tucson Diversion Channel?

It is owned by the County Highway Agency.