US Bridges

Mcdowell RD over Rid Canal

Fair

Maricopa County, Arizona · W of Pebble Ck Pkwy · Structure no. 09421

Built
1966
59 years old, rebuilt 2007
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
14,054
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcdowell RD over Rid Canal is a prestressed concrete tee beam carrying Mcdowell RD over Rid Canal in Maricopa County, Arizona. It was built in 1966 and reconstructed in 2007, so it is 59 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 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 14,054 vehicles a day, roughly 10% of them trucks, projected to reach 14,064 by 2042. The structure is 46 ft (14 m) long and 153 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcdowell RD
CrossesRid Canal
LocationW of Pebble Ck Pkwy
RouteCity Street 0
StateArizona
Coordinates33.46481, -112.39536
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width153 ft (46.6 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,054 (2023)
Projected traffic14,064 by 2042
Trucks10%
Lanes on structure7
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

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 Mcdowell RD over Rid Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2007.

What condition is Mcdowell RD over Rid 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 November 2024.

How much traffic does Mcdowell RD over Rid Canal carry?

About 14,054 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mcdowell RD over Rid Canal?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 153 ft wide.

Who owns Mcdowell RD over Rid Canal?

It is owned by the City or Municipal Highway Agency.