US Bridges

55th Ave over Dry Wash

Good

Maricopa County, Arizona · S/O Range Mule DR · Structure no. 11128

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
2,457
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

55th Ave over Dry Wash is a concrete continuous culvert carrying 55th Ave over Dry Wash in Maricopa County, Arizona. It was built in 2005, so it is 20 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 2,457 vehicles a day, roughly 1% of them trucks, projected to reach 2,557 by 2030. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries55th Ave
CrossesDry Wash
LocationS/O Range Mule DR
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7161, -112.1781
Functional classUrban Minor Arterial

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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 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 traffic2,457 (2015)
Projected traffic2,557 by 2030
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 55th Ave over Dry Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is 55th Ave 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 March 2023.

How much traffic does 55th Ave over Dry Wash carry?

About 2,457 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is 55th Ave over Dry Wash?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns 55th Ave over Dry Wash?

It is owned by the City or Municipal Highway Agency.