US Bridges

Mcdowell Road over Old Crosscut Canal

Good

Maricopa County, Arizona · Mcdowell RD & Crosscut Cn · Structure no. 10109

Built
1940
85 years old, rebuilt 1991
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
30,155
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcdowell Road over Old Crosscut Canal is a concrete continuous culvert carrying Mcdowell Road over Old Crosscut Canal in Maricopa County, Arizona. It was built in 1940 and reconstructed in 1991, so it is 85 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 30,155 vehicles a day, roughly 5% of them trucks, projected to reach 30,165 by 2039. The structure is 26 ft (7.9 m) long and 124 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMcdowell Road
CrossesOld Crosscut Canal
LocationMcdowell RD & Crosscut Cn
RouteCity Street 0
StateArizona
Coordinates33.4657, -111.9806
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating104.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span14 ft (4.3 m)
Deck width124 ft (37.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,155 (2019)
Projected traffic30,165 by 2039
Trucks5%
Lanes on structure8
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000 (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcdowell Road over Old Crosscut Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1991.

What condition is Mcdowell Road over Old Crosscut 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 2023.

How much traffic does Mcdowell Road over Old Crosscut Canal carry?

About 30,155 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Mcdowell Road over Old Crosscut Canal?

The structure is 26 ft (7.9 m) long with a longest span of 14 ft (4.3 m) and a deck 124 ft wide.

Who owns Mcdowell Road over Old Crosscut Canal?

It is owned by the City or Municipal Highway Agency.