US Bridges

24th Street over Arizona Canal

Fair

Maricopa County, Arizona · 1.00 MI N of Camelback RD · Structure no. 09306

Built
1968
57 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
21,408
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

24th Street over Arizona Canal is a concrete continuous slab carrying 24th Street over Arizona Canal in Maricopa County, Arizona. It was built in 1968, so it is 57 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 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 21,408 vehicles a day, roughly 1% of them trucks, projected to reach 21,418 by 2041. The structure is 85 ft (25.8 m) long and 79 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries24th Street
CrossesArizona Canal
Location1.00 MI N of Camelback RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.524, -112.03
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span32 ft (9.8 m)
Deck width79 ft (24 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,408 (2021)
Projected traffic21,418 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 24th Street over Arizona Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is 24th Street 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 November 2022.

How much traffic does 24th Street over Arizona Canal carry?

About 21,408 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 24th Street over Arizona Canal?

The structure is 85 ft (25.8 m) long with a longest span of 32 ft (9.8 m) and a deck 79 ft wide.

Who owns 24th Street over Arizona Canal?

It is owned by the City or Municipal Highway Agency.