US Bridges

Warner-Elliot Loop over Unnamed Wash

Fair

Maricopa County, Arizona · 0.03 MI S of Mandan ST · Structure no. 08574

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
53 ft
5 main spans
Daily traffic
7,500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warner-Elliot Loop over Unnamed Wash is a concrete continuous culvert carrying Warner-Elliot Loop over Unnamed Wash in Maricopa County, Arizona. It was built in 1974, so it is 51 years old, older 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 5 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 7,500 vehicles a day, roughly 1% of them trucks, projected to reach 7,510 by 2041. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWarner-Elliot Loop
CrossesUnnamed Wash
Location0.03 MI S of Mandan ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3407, -111.9941
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2021)
Projected traffic7,510 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Warner-Elliot Loop over Unnamed Wash built?

It was built in 1974, making it 51 years old in 2025.

What condition is Warner-Elliot Loop over Unnamed 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 February 2023.

How much traffic does Warner-Elliot Loop over Unnamed Wash carry?

About 7,500 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Warner-Elliot Loop over Unnamed Wash?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m).

Who owns Warner-Elliot Loop over Unnamed Wash?

It is owned by the City or Municipal Highway Agency.