US Bridges

Norterra Parkway over Cap Canal

Fair

Maricopa County, Arizona · 0.14 MI W of North Valley · Structure no. 08559

Built
1979
46 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
11,344
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Norterra Parkway over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Norterra Parkway over Cap Canal in Maricopa County, Arizona. It was built in 1979, so it is 46 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 11,344 vehicles a day, roughly 6% of them trucks, projected to reach 11,354 by 2039. The structure is 103 ft (31.4 m) long and 82 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesNorterra Parkway
CrossesCap Canal
Location0.14 MI W of North Valley
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7403, -112.1091
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
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 rating55.8 US tons
Inventory rating41.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span101 ft (30.8 m)
Deck width82 ft (25 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,344 (2019)
Projected traffic11,354 by 2039
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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 Norterra Parkway over Cap Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Norterra Parkway over Cap 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 November 2022.

How much traffic does Norterra Parkway over Cap Canal carry?

About 11,344 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Norterra Parkway over Cap Canal?

The structure is 103 ft (31.4 m) long with a longest span of 101 ft (30.8 m) and a deck 82 ft wide.

Who owns Norterra Parkway over Cap Canal?

It is owned by the City or Municipal Highway Agency.