US Bridges

7th Street over East Fork of Cave Creek

Fair

Maricopa County, Arizona · 130 Ft S of Greenway Pkwy · Structure no. 07603

Built
1988
37 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
79 ft
6 main spans
Daily traffic
26,811
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

7th Street over East Fork of Cave Creek is a concrete continuous culvert carrying 7th Street over East Fork of Cave Creek in Maricopa County, Arizona. It was built in 1988, so it is 37 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 26,811 vehicles a day, roughly 1% of them trucks, projected to reach 27,811 by 2041. The structure is 79 ft (24.1 m) long and 108 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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Carries7th Street
CrossesEast Fork of Cave Creek
Location130 Ft S of Greenway Pkwy
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.637, -112.0655
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span12 ft (3.7 m)
Deck width108 ft (32.8 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,811 (2021)
Projected traffic27,811 by 2041
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 7th Street over East Fork of Cave Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 7th Street over East Fork of 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 November 2021.

How much traffic does 7th Street over East Fork of Cave Creek carry?

About 26,811 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 7th Street over East Fork of Cave Creek?

The structure is 79 ft (24.1 m) long with a longest span of 12 ft (3.7 m) and a deck 108 ft wide.

Who owns 7th Street over East Fork of Cave Creek?

It is owned by the City or Municipal Highway Agency.