US Bridges

El Mirage RD over Mcmicken Dam Outlet Wash

Good

Maricopa County, Arizona · 3.2 MI N of Bell Road · Structure no. 11106

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
84 ft
7 main spans
Daily traffic
11,627
2020 count
Owner
County
County Highway Agency

About this bridge

El Mirage RD over Mcmicken Dam Outlet Wash is a concrete continuous culvert carrying El Mirage RD over Mcmicken Dam Outlet Wash in Maricopa County, Arizona. It was built in 2010, so it is 15 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 11,627 vehicles a day, roughly 20% of them trucks, projected to reach 11,637 by 2040. The structure is 84 ft (25.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEl Mirage RD
CrossesMcmicken Dam Outlet Wash
Location3.2 MI N of Bell Road
RouteCounty Highway 0
StateArizona
Coordinates33.68341, -112.32587
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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.5 US tons
Inventory rating53 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans7
Design loadHS 20
Structure length84 ft (25.6 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 traffic11,627 (2020)
Projected traffic11,637 by 2040
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 El Mirage RD over Mcmicken Dam Outlet Wash built?

It was built in 2010, making it 15 years old in 2025.

What condition is El Mirage RD over Mcmicken Dam Outlet 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 El Mirage RD over Mcmicken Dam Outlet Wash carry?

About 11,627 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is El Mirage RD over Mcmicken Dam Outlet Wash?

The structure is 84 ft (25.6 m) long with a longest span of 11 ft (3.4 m).

Who owns El Mirage RD over Mcmicken Dam Outlet Wash?

It is owned by the County Highway Agency.