US Bridges

El Mirage Road over Wigwam Creek Wash

Fair

Maricopa County, Arizona · 0.13 MI S of Oregon Ave · Structure no. 10937

Built
1994
31 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
89 ft
2 main spans
Daily traffic
5,581
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

El Mirage Road over Wigwam Creek Wash is a concrete slab carrying El Mirage Road over Wigwam Creek Wash in Maricopa County, Arizona. It was built in 1994, so it is 31 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,581 vehicles a day, roughly 5% of them trucks, projected to reach 5,591 by 2042. The structure is 89 ft (27.1 m) long and 83 ft wide.

CarriesEl Mirage Road
CrossesWigwam Creek Wash
Location0.13 MI S of Oregon Ave
RouteCity Street 0
StateArizona
Coordinates33.5114, -112.3239
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.6 US tons
Inventory rating31.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length89 ft (27.1 m)
Longest span45 ft (13.6 m)
Deck width83 ft (25.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,581 (2023)
Projected traffic5,591 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 El Mirage Road over Wigwam Creek Wash built?

It was built in 1994, making it 31 years old in 2025.

What condition is El Mirage Road over Wigwam Creek Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does El Mirage Road over Wigwam Creek Wash carry?

About 5,581 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is El Mirage Road over Wigwam Creek Wash?

The structure is 89 ft (27.1 m) long with a longest span of 45 ft (13.6 m) and a deck 83 ft wide.

Who owns El Mirage Road over Wigwam Creek Wash?

It is owned by the City or Municipal Highway Agency.