US Bridges

Happy Valley RD over I-17

Good

Maricopa County, Arizona · .9 MI E.Of Pinnacle Rd. · Structure no. 20161

Built
2020
5 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
261 ft
2 main spans
Daily traffic
20,009
2024 count
Owner
State
State Highway Agency

About this bridge

Happy Valley RD over I-17 is a concrete continuous stringer/multi-beam or girder carrying Happy Valley RD over I-17 in Maricopa County, Arizona. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,009 vehicles a day, roughly 2% of them trucks, projected to reach 20,019 by 2042. The structure is 261 ft (79.6 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHappy Valley RD
CrossesI-17
Location.9 MI E.Of Pinnacle Rd.
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7129, -112.1179
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length261 ft (79.6 m)
Longest span129 ft (39.3 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,009 (2024)
Projected traffic20,019 by 2042
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 RD over I-17 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Happy Valley RD over I-17 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 January 2024.

How much traffic does Happy Valley RD over I-17 carry?

About 20,009 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Happy Valley RD over I-17?

The structure is 261 ft (79.6 m) long with a longest span of 129 ft (39.3 m) and a deck 60 ft wide.

Who owns Happy Valley RD over I-17?

It is owned by the State Highway Agency.