US Bridges

Mcdowell Road over Rwcd Canal

Good

Maricopa County, Arizona · 0.5 MI E JCT Val Vista · Structure no. 09422

Built
1972
53 years old, rebuilt 2014
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
8,644
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcdowell Road over Rwcd Canal is a prestressed concrete tee beam carrying Mcdowell Road over Rwcd Canal in Maricopa County, Arizona. It was built in 1972 and reconstructed in 2014, so it is 53 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,644 vehicles a day, roughly 5% of them trucks, projected to reach 8,654 by 2042. The structure is 34 ft (10.4 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMcdowell Road
CrossesRwcd Canal
Location0.5 MI E JCT Val Vista
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4664, -111.7446
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width96 ft (29.3 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic8,644 (2023)
Projected traffic8,654 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 Mcdowell Road over Rwcd Canal built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2014.

What condition is Mcdowell Road over Rwcd Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Mcdowell Road over Rwcd Canal carry?

About 8,644 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mcdowell Road over Rwcd Canal?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 96 ft wide.

Who owns Mcdowell Road over Rwcd Canal?

It is owned by the City or Municipal Highway Agency.