US Bridges

Granite Vista Loop over Wash

Good

Maricopa County, Arizona · 0.3 M/W of Cotton LN · Structure no. 11727

Built
2019
6 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,000
2024 count
Owner
County
County Highway Agency

About this bridge

Granite Vista Loop over Wash is a concrete culvert carrying Granite Vista Loop over Wash in Maricopa County, Arizona. It was built in 2019, so it is 6 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 1,000 vehicles a day, projected to reach 1,010 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGranite Vista Loop
CrossesWash
Location0.3 M/W of Cotton LN
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.5626, -112.432
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating108.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,010 by 2042
Trucks0%
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

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 Granite Vista Loop over Wash built?

It was built in 2019, making it 6 years old in 2025.

What condition is Granite Vista Loop over Wash 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 Granite Vista Loop over Wash carry?

About 1,000 vehicles per day (2024 count).

How long is Granite Vista Loop over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Granite Vista Loop over Wash?

It is owned by the County Highway Agency.