US Bridges

Central Avenue over Arizona Canal

Fair

Maricopa County, Arizona · 0.37 MI S of Dunlap Ave · Structure no. 09170

Built
1946
79 years old, rebuilt 1975
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
14,337
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Central Avenue over Arizona Canal is a concrete continuous slab carrying Central Avenue over Arizona Canal in Maricopa County, Arizona. It was built in 1946 and reconstructed in 1975, so it is 79 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 14,337 vehicles a day, roughly 1% of them trucks, projected to reach 14,347 by 2042. The structure is 67 ft (20.4 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCentral Avenue
CrossesArizona Canal
Location0.37 MI S of Dunlap Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5623, -112.0739
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.4 US tons
Inventory rating20.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span25 ft (7.6 m)
Deck width76 ft (23.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,337 (2023)
Projected traffic14,347 by 2042
Trucks1%
Lanes on structure4
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 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 Central Avenue over Arizona Canal built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1975.

What condition is Central Avenue over Arizona 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 Central Avenue over Arizona Canal carry?

About 14,337 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Central Avenue over Arizona Canal?

The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 76 ft wide.

Who owns Central Avenue over Arizona Canal?

It is owned by the City or Municipal Highway Agency.