US Bridges

Superior Avenue over Dry Wash

Good

Maricopa County, Arizona · 100 Ft E of 91st Avenue · Structure no. 11023

Built
2010
15 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
500
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Superior Avenue over Dry Wash is a concrete continuous culvert carrying Superior Avenue over Dry Wash in Maricopa County, Arizona. It was built in 2010, so it is 15 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2030. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSuperior Avenue
CrossesDry Wash
Location100 Ft E of 91st Avenue
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4156, -112.2551
Functional classUrban 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 inspectionJanuary 2022
Inspection intervalevery 48 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 rating90.2 US tons
Inventory rating54.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
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 deck100 ft (30.5 m)

Traffic and service

Average daily traffic500 (2014)
Projected traffic600 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Superior Avenue over Dry Wash built?

It was built in 2010, making it 15 years old in 2025.

What condition is Superior Avenue over Dry 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 January 2022.

How much traffic does Superior Avenue over Dry Wash carry?

About 500 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Superior Avenue over Dry Wash?

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

Who owns Superior Avenue over Dry Wash?

It is owned by the City or Municipal Highway Agency.