US Bridges

Happy Valley Road over Skunk Creek

Good

Maricopa County, Arizona · Happy Valley RD W/O I-17 · Structure no. 10426

Built
2005
20 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
506 ft
4 main spans
Daily traffic
24,434
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 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 24,434 vehicles a day, roughly 2% of them trucks, projected to reach 24,444 by 2039. The structure is 506 ft (154.2 m) long and 56 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
Coordinates33.7128, -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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.3 US tons
Inventory rating46.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length506 ft (154.2 m)
Longest span125 ft (38.2 m)
Deck width56 ft (17.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic24,434 (2019)
Projected traffic24,444 by 2039
Trucks2%
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 2005, making it 20 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 24,434 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Happy Valley Road over Skunk Creek?

The structure is 506 ft (154.2 m) long with a longest span of 125 ft (38.2 m) and a deck 56 ft wide.

Who owns Happy Valley Road over Skunk Creek?

It is owned by the City or Municipal Highway Agency.