US Bridges

Warner Road over Eastern Canal

Fair

Maricopa County, Arizona · 0.1 MI W Greenfield · Structure no. 08033

Built
1978
47 years old, rebuilt 1988
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
42 ft
1 main span
Daily traffic
19,035
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Warner Road over Eastern Canal is a concrete frame carrying Warner Road over Eastern Canal in Maricopa County, Arizona. It was built in 1978 and reconstructed in 1988, so it is 47 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 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 19,035 vehicles a day, roughly 5% of them trucks, projected to reach 16,045 by 2042. The structure is 42 ft (12.8 m) long and 161 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWarner Road
CrossesEastern Canal
Location0.1 MI W Greenfield
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3358, -111.7397
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width161 ft (49.1 m)
Roadway width108 ft (32.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,035 (2023)
Projected traffic16,045 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Warner Road over Eastern Canal built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1988.

What condition is Warner Road over Eastern Canal 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 September 2024.

How much traffic does Warner Road over Eastern Canal carry?

About 19,035 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Warner Road over Eastern Canal?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 161 ft wide.

Who owns Warner Road over Eastern Canal?

It is owned by the Town or Township Highway Agency.