US Bridges

43rd Avenue over Grand Canal

Fair

Maricopa County, Arizona · 0.05 MI N of Osborn Road · Structure no. 09181

Built
1965
60 years old, rebuilt 1973
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
36,396
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

43rd Avenue over Grand Canal is a concrete continuous slab carrying 43rd Avenue over Grand Canal in Maricopa County, Arizona. It was built in 1965 and reconstructed in 1973, so it is 60 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 36,396 vehicles a day, roughly 1% of them trucks, projected to reach 36,406 by 2042. The structure is 37 ft (11.3 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries43rd Avenue
CrossesGrand Canal
Location0.05 MI N of Osborn Road
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4884, -112.1517
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span17 ft (5.2 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,396 (2024)
Projected traffic36,406 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 43rd Avenue over Grand Canal built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1973.

What condition is 43rd 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 43rd Avenue over Grand Canal carry?

About 36,396 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 43rd Avenue over Grand Canal?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.2 m) and a deck 76 ft wide.

Who owns 43rd Avenue over Grand Canal?

It is owned by the City or Municipal Highway Agency.