US Bridges

75th Avenue over Az Canal Diversion Chnl

Fair

Maricopa County, Arizona · 0.4 MI S JCT Bell RD · Structure no. 09923

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
467 ft
4 main spans
Daily traffic
20,802
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

75th Avenue over Az Canal Diversion Chnl is a prestressed concrete continuous stringer/multi-beam or girder carrying 75th Avenue over Az Canal Diversion Chnl in Maricopa County, Arizona. It was built in 1985, so it is 40 years old, younger 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 20,802 vehicles a day, roughly 5% of them trucks, projected to reach 20,812 by 2042. The structure is 467 ft (142.3 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries75th Avenue
CrossesAz Canal Diversion Chnl
Location0.4 MI S JCT Bell RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6318, -112.22
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating71 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length467 ft (142.3 m)
Longest span118 ft (36 m)
Deck width83 ft (25.3 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,802 (2024)
Projected traffic20,812 by 2042
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 75th Avenue over Az Canal Diversion Chnl built?

It was built in 1985, making it 40 years old in 2025.

What condition is 75th Avenue over Az Canal Diversion Chnl 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 May 2024.

How much traffic does 75th Avenue over Az Canal Diversion Chnl carry?

About 20,802 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 75th Avenue over Az Canal Diversion Chnl?

The structure is 467 ft (142.3 m) long with a longest span of 118 ft (36 m) and a deck 83 ft wide.

Who owns 75th Avenue over Az Canal Diversion Chnl?

It is owned by the City or Municipal Highway Agency.