US Bridges

S 7th Avenue over Western Canal

Good

Maricopa County, Arizona · 0.1 MI S of Baseline RD · Structure no. 10180

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
2,875
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 7th Avenue over Western Canal is a prestressed concrete box beam or girders - multiple carrying S 7th Avenue over Western Canal in Maricopa County, Arizona. It was built in 2001, so it is 24 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,875 vehicles a day, roughly 1% of them trucks, projected to reach 2,885 by 2039. The structure is 40 ft (12.2 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS 7th Avenue
CrossesWestern Canal
Location0.1 MI S of Baseline RD
RouteCity Street 0
StateArizona
Coordinates33.3762, -112.0833
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width64 ft (19.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,875 (2019)
Projected traffic2,885 by 2039
Trucks1%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S 7th Avenue over Western Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is S 7th Avenue over Western Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does S 7th Avenue over Western Canal carry?

About 2,875 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is S 7th Avenue over Western Canal?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 64 ft wide.

Who owns S 7th Avenue over Western Canal?

It is owned by the City or Municipal Highway Agency.