US Bridges

Wickenburg RD over Cap Canal

Good

Maricopa County, Arizona · 7 MI N/ Indian School RD · Structure no. 08576

Built
1978
47 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
547
2022 count
Owner
County
County Highway Agency

About this bridge

Wickenburg RD over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Wickenburg RD over Cap Canal in Maricopa County, Arizona. It was built in 1978, so it is 47 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 547 vehicles a day, roughly 10% of them trucks, projected to reach 557 by 2042. The structure is 90 ft (27.4 m) long and 53 ft wide. If it were closed, the detour would be 62.8 mi (101 km).

CarriesWickenburg RD
CrossesCap Canal
Location7 MI N/ Indian School RD
RouteCounty Highway 0
StateArizona
Coordinates33.59102, -112.81863
Functional classRural Major 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 inspectionFebruary 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 alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating34.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic547 (2022)
Projected traffic557 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.8 mi (101 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Wickenburg RD over Cap Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Wickenburg RD over Cap 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 February 2024.

How much traffic does Wickenburg RD over Cap Canal carry?

About 547 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Wickenburg RD over Cap Canal?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 53 ft wide.

Who owns Wickenburg RD over Cap Canal?

It is owned by the County Highway Agency.