US Bridges

Ft Mcdowell RD over Wash

Fair

Maricopa County, Arizona · 2.25 MI N/ SR 87 · Structure no. 08019

Built
1958
67 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,136
2023 count
Owner
County
County Highway Agency

About this bridge

Ft Mcdowell RD over Wash is a concrete continuous culvert carrying Ft Mcdowell RD over Wash in Maricopa County, Arizona. It was built in 1958, 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 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 1,136 vehicles a day, roughly 10% of them trucks, projected to reach 1,146 by 2042. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFt Mcdowell RD
CrossesWash
Location2.25 MI N/ SR 87
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.61271, -111.68262
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,136 (2023)
Projected traffic1,146 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ft Mcdowell RD over Wash built?

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

What condition is Ft Mcdowell RD over Wash 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 January 2025.

How much traffic does Ft Mcdowell RD over Wash carry?

About 1,136 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ft Mcdowell RD over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Ft Mcdowell RD over Wash?

It is owned by the County Highway Agency.