US Bridges

Williams Drive over Mcmicken Outfall Wash

Good

Maricopa County, Arizona · 0.3 Mi. E/ El Mirage RD · Structure no. 10782

Built
2006
19 years old, rebuilt 2022
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
122 ft
11 main spans
Daily traffic
4,299
2020 count
Owner
County
County Highway Agency

About this bridge

Williams Drive over Mcmicken Outfall Wash is a concrete continuous culvert carrying Williams Drive over Mcmicken Outfall Wash in Maricopa County, Arizona. It was built in 2006 and reconstructed in 2022, so it is 19 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 4,299 vehicles a day, roughly 5% of them trucks, projected to reach 4,309 by 2040. The structure is 122 ft (37.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWilliams Drive
CrossesMcmicken Outfall Wash
Location0.3 Mi. E/ El Mirage RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.6894, -112.3281
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 rating91.4 US tons
Inventory rating54.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans11
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,299 (2020)
Projected traffic4,309 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Williams Drive over Mcmicken Outfall Wash built?

It was built in 2006, making it 19 years old in 2025. It was reconstructed in 2022.

What condition is Williams Drive over Mcmicken Outfall 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 Williams Drive over Mcmicken Outfall Wash carry?

About 4,299 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Williams Drive over Mcmicken Outfall Wash?

The structure is 122 ft (37.2 m) long with a longest span of 11 ft (3.4 m).

Who owns Williams Drive over Mcmicken Outfall Wash?

It is owned by the County Highway Agency.