US Bridges

40th Street over Arizona Canal

Fair

Maricopa County, Arizona · .1 MI N of Camelback RD · Structure no. 08498

Built
1961
64 years old, rebuilt 1979
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
6,088
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th Street over Arizona Canal is a concrete continuous slab carrying 40th Street over Arizona Canal in Maricopa County, Arizona. It was built in 1961 and reconstructed in 1979, so it is 64 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 6,088 vehicles a day, roughly 1% of them trucks, projected to reach 6,098 by 2039. The structure is 92 ft (28 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries40th Street
CrossesArizona Canal
Location.1 MI N of Camelback RD
RouteCity Street 0
StateArizona
Coordinates33.5104, -111.9953
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating26.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span35 ft (10.7 m)
Deck width65 ft (19.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,088 (2019)
Projected traffic6,098 by 2039
Trucks1%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 40th Street over Arizona Canal built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1979.

What condition is 40th 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 January 2024.

How much traffic does 40th Street over Arizona Canal carry?

About 6,088 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is 40th Street over Arizona Canal?

The structure is 92 ft (28 m) long with a longest span of 35 ft (10.7 m) and a deck 65 ft wide.

Who owns 40th Street over Arizona Canal?

It is owned by the City or Municipal Highway Agency.