US Bridges

Adobe Road over Rwcd Canal

Good

Maricopa County, Arizona · 0.4 MI E of Greenfield RD · Structure no. 07841

Built
1991
34 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
3,513
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adobe Road over Rwcd Canal is a prestressed concrete box beam or girders - multiple carrying Adobe Road over Rwcd Canal in Maricopa County, Arizona. It was built in 1991, so it is 34 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 3,513 vehicles a day, roughly 5% of them trucks, projected to reach 3,523 by 2042. The structure is 49 ft (14.9 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAdobe Road
CrossesRwcd Canal
Location0.4 MI E of Greenfield RD
RouteCity Street 0
StateArizona
Coordinates33.43003, -111.72953
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width67 ft (20.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic3,513 (2023)
Projected traffic3,523 by 2042
Trucks5%
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 Rwcd Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is Adobe Road over Rwcd 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 2024.

How much traffic does Adobe Road over Rwcd Canal carry?

About 3,513 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Adobe Road over Rwcd Canal?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 67 ft wide.

Who owns Adobe Road over Rwcd Canal?

It is owned by the City or Municipal Highway Agency.