US Bridges

150th Street over Wash

Good

Maricopa County, Arizona · 0.3 MI N of Rio Verde DR · Structure no. 10850

Built
2005
20 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
258
2021 count
Owner
County
County Highway Agency

About this bridge

150th Street over Wash is a concrete continuous culvert carrying 150th Street over Wash in Maricopa County, Arizona. It was built in 2005, so it is 20 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 258 vehicles a day, projected to reach 268 by 2041. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries150th Street
CrossesWash
Location0.3 MI N of Rio Verde DR
RouteCounty Highway 0
StateArizona
Coordinates33.74576, -111.75653
Functional classRural Local

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 inspectionJanuary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2021)
Projected traffic268 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 150th Street over Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is 150th Street 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 January 2025.

How much traffic does 150th Street over Wash carry?

About 258 vehicles per day (2021 count).

How long is 150th Street over Wash?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns 150th Street over Wash?

It is owned by the County Highway Agency.