US Bridges

Washington Street over Grand Canal

Fair

Maricopa County, Arizona · 0.18 MI W of Washington · Structure no. 10433

Built
2007
18 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
17,194
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Grand Canal is a prestressed concrete stringer/multi-beam or girder carrying Washington Street over Grand Canal in Maricopa County, Arizona. It was built in 2007, so it is 18 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 17,194 vehicles a day, roughly 1% of them trucks, projected to reach 17,204 by 2040. The structure is 90 ft (27.4 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWashington Street
CrossesGrand Canal
Location0.18 MI W of Washington
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4481, -111.9906
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.5 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span77 ft (23.5 m)
Deck width100 ft (30.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic17,194 (2020)
Projected traffic17,204 by 2040
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Street over Grand Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is Washington Street over Grand Canal 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 January 2023.

How much traffic does Washington Street over Grand Canal carry?

About 17,194 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Washington Street over Grand Canal?

The structure is 90 ft (27.4 m) long with a longest span of 77 ft (23.5 m) and a deck 100 ft wide.

Who owns Washington Street over Grand Canal?

It is owned by the City or Municipal Highway Agency.