US Bridges

Priest Drive over Grand Canal & SPRR

Good

Maricopa County, Arizona · 0.25 MI S of Washington S · Structure no. 07872

Built
1990
35 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
289 ft
2 main spans
Daily traffic
25,376
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Priest Drive over Grand Canal & SPRR is a prestressed concrete continuous stringer/multi-beam or girder carrying Priest Drive over Grand Canal & SPRR in Maricopa County, Arizona. It was built in 1990, so it is 35 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 25,376 vehicles a day, roughly 10% of them trucks, projected to reach 25,386 by 2042. The structure is 289 ft (88.1 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPriest Drive
CrossesGrand Canal & SPRR
Location0.25 MI S of Washington S
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4394, -111.9606
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length289 ft (88.1 m)
Longest span145 ft (44.2 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic25,376 (2023)
Projected traffic25,386 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Priest Drive over Grand Canal & SPRR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Priest Drive over Grand Canal & SPRR 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 September 2023.

How much traffic does Priest Drive over Grand Canal & SPRR carry?

About 25,376 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Priest Drive over Grand Canal & SPRR?

The structure is 289 ft (88.1 m) long with a longest span of 145 ft (44.2 m) and a deck 48 ft wide.

Who owns Priest Drive over Grand Canal & SPRR?

It is owned by the City or Municipal Highway Agency.