US Bridges

Holly Street over Dry Wash

Good

Maricopa County, Arizona · Holly Street 50 W/O 91AVE · Structure no. 10807

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,500
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holly Street over Dry Wash is a concrete continuous culvert carrying Holly Street over Dry Wash in Maricopa County, Arizona. It was built in 2008, so it is 17 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 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 1,510 by 2040. The structure is 22 ft (6.7 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHolly Street
CrossesDry Wash
LocationHolly Street 50 W/O 91AVE
RouteCity Street 0
StateArizona
Coordinates33.4699, -112.2557
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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width68 ft (20.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,500 (2020)
Projected traffic1,510 by 2040
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Holly Street over Dry Wash built?

It was built in 2008, making it 17 years old in 2025.

What condition is Holly Street 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 February 2024.

How much traffic does Holly Street over Dry Wash carry?

About 1,500 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Holly Street over Dry Wash?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns Holly Street over Dry Wash?

It is owned by the City or Municipal Highway Agency.