US Bridges

Happy Valley Road over Dry Wash

Good

Maricopa County, Arizona · 0.2 MI W of 55th Avenue · Structure no. 10655

Built
2006
19 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
76 ft
6 main spans
Daily traffic
34,062
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Happy Valley Road over Dry Wash is a concrete continuous culvert carrying Happy Valley Road over Dry Wash in Maricopa County, Arizona. It was built in 2006, so it is 19 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 34,062 vehicles a day, roughly 5% of them trucks, projected to reach 34,072 by 2041. The structure is 76 ft (23.2 m) long and 155 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHappy Valley Road
CrossesDry Wash
Location0.2 MI W of 55th Avenue
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7124, -112.1827
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
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 rating78.8 US tons
Inventory rating47.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span12 ft (3.7 m)
Deck width155 ft (47.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,062 (2021)
Projected traffic34,072 by 2041
Trucks5%
Lanes on structure6
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

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 Happy Valley Road over Dry Wash built?

It was built in 2006, making it 19 years old in 2025.

What condition is Happy Valley Road 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 November 2022.

How much traffic does Happy Valley Road over Dry Wash carry?

About 34,062 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Happy Valley Road over Dry Wash?

The structure is 76 ft (23.2 m) long with a longest span of 12 ft (3.7 m) and a deck 155 ft wide.

Who owns Happy Valley Road over Dry Wash?

It is owned by the City or Municipal Highway Agency.