US Bridges

19th Ave over Cave Creek

Fair

Maricopa County, Arizona · 19th Av S of Greenway RD · Structure no. 09178

Built
1958
67 years old, rebuilt 1978
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
119 ft
4 main spans
Daily traffic
20,381
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

19th Ave over Cave Creek is a concrete continuous slab carrying 19th Ave over Cave Creek in Maricopa County, Arizona. It was built in 1958 and reconstructed in 1978, so it is 67 years old, older 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 20,381 vehicles a day, roughly 8% of them trucks, projected to reach 20,391 by 2036. The structure is 119 ft (36.3 m) long and 76 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries19th Ave
CrossesCave Creek
Location19th Av S of Greenway RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.624, -112.0997
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.8 US tons
Inventory rating25.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span30 ft (9.1 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,381 (2016)
Projected traffic20,391 by 2036
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 19th Ave over Cave Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1978.

What condition is 19th Ave over Cave 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 2024.

How much traffic does 19th Ave over Cave Creek carry?

About 20,381 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is 19th Ave over Cave Creek?

The structure is 119 ft (36.3 m) long with a longest span of 30 ft (9.1 m) and a deck 76 ft wide.

Who owns 19th Ave over Cave Creek?

It is owned by the City or Municipal Highway Agency.