US Bridges

Windmill RD over Wash

Good

Maricopa County, Arizona · 0.25 M W of Pima RD · Structure no. 11293

Built
1999
26 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete Continuous
Length
76 ft
5 main spans
Daily traffic
110
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Windmill RD over Wash is a concrete continuous culvert carrying Windmill RD over Wash in Maricopa County, Arizona. It was built in 1999, so it is 26 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2038. The structure is 76 ft (23.2 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWindmill RD
CrossesWash
Location0.25 M W of Pima RD
RouteCity Street 0
StateArizona
Coordinates33.8077, -111.8999
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 spans5
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span6 ft (1.8 m)
Deck width67 ft (20.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2018)
Projected traffic120 by 2038
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Windmill RD over Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Windmill RD over 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 March 2021.

How much traffic does Windmill RD over Wash carry?

About 110 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Windmill RD over Wash?

The structure is 76 ft (23.2 m) long with a longest span of 6 ft (1.8 m) and a deck 67 ft wide.

Who owns Windmill RD over Wash?

It is owned by the City or Municipal Highway Agency.