US Bridges

Carefree Highway over Skunk Creek

Fair

Maricopa County, Arizona · 0.62 MI E of I-17 · Structure no. 10170

Built
1999
26 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
403 ft
4 main spans
Daily traffic
36,703
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carefree Highway over Skunk Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Carefree Highway over Skunk Creek in Maricopa County, Arizona. It was built in 1999, so it is 26 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,703 vehicles a day, roughly 5% of them trucks, projected to reach 36,713 by 2041. The structure is 403 ft (122.8 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCarefree Highway
CrossesSkunk Creek
Location0.62 MI E of I-17
RouteCity Street 0
StateArizona
Coordinates33.7983, -112.1247
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 rating110.1 US tons
Inventory rating67.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length403 ft (122.8 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,703 (2021)
Projected traffic36,713 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Carefree Highway over Skunk Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Carefree Highway over Skunk Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does Carefree Highway over Skunk Creek carry?

About 36,703 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Carefree Highway over Skunk Creek?

The structure is 403 ft (122.8 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns Carefree Highway over Skunk Creek?

It is owned by the City or Municipal Highway Agency.