US Bridges

Mcdowell RD over Wash

Good

Maricopa County, Arizona · W/ Jackrabbit TR_195th Av · Structure no. 07583

Built
1989
36 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
1,938
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mcdowell RD over Wash is a concrete continuous culvert carrying Mcdowell RD over Wash in Maricopa County, Arizona. It was built in 1989, so it is 36 years old, younger 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 1,938 vehicles a day, roughly 10% of them trucks, projected to reach 1,948 by 2039. The structure is 51 ft (15.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcdowell RD
CrossesWash
LocationW/ Jackrabbit TR_195th Av
RouteCounty Highway 0
StateArizona
Coordinates33.46473, -112.47905
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating108 US tons
Inventory rating64.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,938 (2019)
Projected traffic1,948 by 2039
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcdowell RD over Wash built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mcdowell RD over Wash 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 RD over Wash carry?

About 1,938 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Mcdowell RD over Wash?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns Mcdowell RD over Wash?

It is owned by the Town or Township Highway Agency.