US Bridges

Cave Creek RD over Dry Wash

Good

Maricopa County, Arizona · S of Dynamite · Structure no. 07924

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
28,618
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cave Creek RD over Dry Wash is a concrete continuous culvert carrying Cave Creek RD over Dry Wash in Maricopa County, Arizona. It was built in 1991, so it is 34 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 28,618 vehicles a day, roughly 1% of them trucks, projected to reach 28,628 by 2039. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCave Creek RD
CrossesDry Wash
LocationS of Dynamite
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7356, -112.0029
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
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,618 (2019)
Projected traffic28,628 by 2039
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cave Creek RD over Dry Wash built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cave Creek RD over Dry Wash 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 Cave Creek RD over Dry Wash carry?

About 28,618 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Cave Creek RD over Dry Wash?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m).

Who owns Cave Creek RD over Dry Wash?

It is owned by the City or Municipal Highway Agency.