US Bridges

Olive Avenue over Waterfall Wash

Good

Maricopa County, Arizona · 0.48 MI W/ Perryville RD · Structure no. 10779

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,292
2019 count
Owner
County
County Highway Agency

About this bridge

Olive Avenue over Waterfall Wash is a concrete continuous culvert carrying Olive Avenue over Waterfall Wash in Maricopa County, Arizona. It was built in 2007, so it is 18 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 1,292 vehicles a day, roughly 5% of them trucks, projected to reach 1,302 by 2039. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesOlive Avenue
CrossesWaterfall Wash
Location0.48 MI W/ Perryville RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.56615, -112.46984
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,292 (2019)
Projected traffic1,302 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Olive Avenue over Waterfall Wash built?

It was built in 2007, making it 18 years old in 2025.

What condition is Olive Avenue over Waterfall 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 December 2023.

How much traffic does Olive Avenue over Waterfall Wash carry?

About 1,292 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Olive Avenue over Waterfall Wash?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Olive Avenue over Waterfall Wash?

It is owned by the County Highway Agency.