US Bridges

83rd Avenue over Grand Canal

Fair

Maricopa County, Arizona · At Bethany Home Road · Structure no. 09443

Built
1974
51 years old
Condition
Fair
inspected January 2025
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
16,407
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

83rd Avenue over Grand Canal is a concrete frame carrying 83rd Avenue over Grand Canal in Maricopa County, Arizona. It was built in 1974, so it is 51 years old, older 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 5 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 16,407 vehicles a day, roughly 5% of them trucks, projected to reach 16,417 by 2042. The structure is 24 ft (7.3 m) long and 120 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries83rd Avenue
CrossesGrand Canal
LocationAt Bethany Home Road
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5233, -112.2377
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width120 ft (36.5 m)
Roadway width103 ft (31.5 m)
Vertical clearance over deck45 ft (13.7 m)

Traffic and service

Average daily traffic16,407 (2023)
Projected traffic16,417 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 83rd Avenue over Grand Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is 83rd Avenue 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 2025.

How much traffic does 83rd Avenue over Grand Canal carry?

About 16,407 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 83rd Avenue over Grand Canal?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 120 ft wide.

Who owns 83rd Avenue over Grand Canal?

It is owned by the City or Municipal Highway Agency.