US Bridges

Scottsdale RD over Cap Canal

Good

Maricopa County, Arizona · JCT of Bell & Flw · Structure no. 09580

Built
1978
47 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
55,851
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Scottsdale RD over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Scottsdale 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 55,851 vehicles a day, roughly 5% of them trucks, projected to reach 55,861 by 2042. The structure is 87 ft (26.5 m) long and 100 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesScottsdale RD
CrossesCap Canal
LocationJCT of Bell & Flw
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.63858, -111.92539
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span86 ft (26.2 m)
Deck width100 ft (30.4 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic55,851 (2023)
Projected traffic55,861 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Scottsdale RD over Cap Canal built?

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

What condition is Scottsdale 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 December 2024.

How much traffic does Scottsdale RD over Cap Canal carry?

About 55,851 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Scottsdale RD over Cap Canal?

The structure is 87 ft (26.5 m) long with a longest span of 86 ft (26.2 m) and a deck 100 ft wide.

Who owns Scottsdale RD over Cap Canal?

It is owned by the City or Municipal Highway Agency.