US Bridges

Adobe Road over Wash

Good

Maricopa County, Arizona · 0.3 MI W/ Meridian · Structure no. 10228

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adobe Road over Wash is a concrete continuous culvert carrying Adobe Road over Wash in Maricopa County, Arizona. It was built in 1999, so it is 26 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAdobe Road
CrossesWash
Location0.3 MI W/ Meridian
RouteCity Street 0
StateArizona
Coordinates33.4296, -111.5866
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 inspectionJuly 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 rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic510 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Adobe Road over Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Adobe Road 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 July 2023.

How much traffic does Adobe Road over Wash carry?

About 500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Adobe Road over Wash?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Adobe Road over Wash?

It is owned by the City or Municipal Highway Agency.