US Bridges

Rainbow Road over Buckeye Canal

Good

Maricopa County, Arizona · 0.5 MI S/ Southern Avenue · Structure no. 10776

Built
2007
18 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
2,791
2021 count
Owner
County
County Highway Agency

About this bridge

Rainbow Road over Buckeye Canal is a prestressed concrete box beam or girders - multiple carrying Rainbow Road over Buckeye Canal in Maricopa County, Arizona. It was built in 2007, so it is 18 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 2,791 vehicles a day, roughly 15% of them trucks, projected to reach 2,801 by 2041. The structure is 46 ft (14 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRainbow Road
CrossesBuckeye Canal
Location0.5 MI S/ Southern Avenue
RouteCounty Highway 0
StateArizona
Coordinates33.38589, -112.53869
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 rating63.3 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width88 ft (26.8 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,791 (2021)
Projected traffic2,801 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Rainbow Road over Buckeye Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is Rainbow Road over Buckeye 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 November 2024.

How much traffic does Rainbow Road over Buckeye Canal carry?

About 2,791 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Rainbow Road over Buckeye Canal?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 88 ft wide.

Who owns Rainbow Road over Buckeye Canal?

It is owned by the County Highway Agency.