US Bridges

Cactus Road over Drainage Way

Good

Maricopa County, Arizona · 50 Ft W 81st ST · Structure no. 09915

Built
1986
39 years old, rebuilt 1994
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
36,010
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cactus Road over Drainage Way is a concrete continuous culvert carrying Cactus Road over Drainage Way in Maricopa County, Arizona. It was built in 1986 and reconstructed in 1994, so it is 39 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 36,010 vehicles a day, roughly 5% of them trucks, projected to reach 36,020 by 2042. The structure is 25 ft (7.6 m) long and 113 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCactus Road
CrossesDrainage Way
Location50 Ft W 81st ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.59661, -111.90581
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width113 ft (34.4 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,010 (2024)
Projected traffic36,020 by 2042
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cactus Road over Drainage Way built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1994.

What condition is Cactus Road over Drainage Way 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 February 2024.

How much traffic does Cactus Road over Drainage Way carry?

About 36,010 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Cactus Road over Drainage Way?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 113 ft wide.

Who owns Cactus Road over Drainage Way?

It is owned by the City or Municipal Highway Agency.