US Bridges

Happy Valley Road over Skunk Creek

Good

Maricopa County, Arizona · Happy Valley RD W/O I-17 · Structure no. 10527

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
505 ft
4 main spans
Daily traffic
22,201
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Happy Valley Road over Skunk Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Happy Valley Road over Skunk Creek in Maricopa County, Arizona. It was built in 2004, so it is 21 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 22,201 vehicles a day, roughly 5% of them trucks, projected to reach 22,211 by 2039. The structure is 505 ft (154 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHappy Valley Road
CrossesSkunk Creek
LocationHappy Valley RD W/O I-17
RouteCity Street 0
StateArizona
Coordinates33.7129, -112.1273
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length505 ft (154 m)
Longest span125 ft (38.1 m)
Deck width59 ft (18.1 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,201 (2019)
Projected traffic22,211 by 2039
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Skunk Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Happy Valley Road over Skunk Creek 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 2023.

How much traffic does Happy Valley Road over Skunk Creek carry?

About 22,201 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Happy Valley Road over Skunk Creek?

The structure is 505 ft (154 m) long with a longest span of 125 ft (38.1 m) and a deck 59 ft wide.

Who owns Happy Valley Road over Skunk Creek?

It is owned by the City or Municipal Highway Agency.