US Bridges

Mckellips Road over Rwcd Canal

Fair

Maricopa County, Arizona · 1/4 MI W Greenfield · Structure no. 09150

Built
1958
67 years old, rebuilt 1975
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
18,211
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mckellips Road over Rwcd Canal is a concrete slab carrying Mckellips Road over Rwcd Canal in Maricopa County, Arizona. It was built in 1958 and reconstructed in 1975, so it is 67 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 18,211 vehicles a day, roughly 5% of them trucks, projected to reach 18,221 by 2042. The structure is 30 ft (9.1 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMckellips Road
CrossesRwcd Canal
Location1/4 MI W Greenfield
RouteCity Street 0
StateArizona
Coordinates33.45183, -111.73992
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic18,211 (2023)
Projected traffic18,221 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mckellips Road over Rwcd Canal built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1975.

What condition is Mckellips Road over Rwcd 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 December 2024.

How much traffic does Mckellips Road over Rwcd Canal carry?

About 18,211 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mckellips Road over Rwcd Canal?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 80 ft wide.

Who owns Mckellips Road over Rwcd Canal?

It is owned by the City or Municipal Highway Agency.