US Bridges

Chuichu Road over Casa Grande Canal

Fair

Pinal County, Arizona · 3.0 MI S JCT SR 84 · Structure no. 09083

Built
1972
53 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
2,094
2020 count
Owner
County
County Highway Agency

About this bridge

Chuichu Road over Casa Grande Canal is a prestressed concrete box beam or girders - multiple carrying Chuichu Road over Casa Grande Canal in Pinal County, Arizona. It was built in 1972, so it is 53 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 2,094 vehicles a day, roughly 5% of them trucks, projected to reach 2,104 by 2040. The structure is 28 ft (8.5 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesChuichu Road
CrossesCasa Grande Canal
Location3.0 MI S JCT SR 84
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates32.8356, -111.7574
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic2,094 (2020)
Projected traffic2,104 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Chuichu Road over Casa Grande Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Chuichu Road over Casa Grande Canal 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 February 2024.

How much traffic does Chuichu Road over Casa Grande Canal carry?

About 2,094 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Chuichu Road over Casa Grande Canal?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns Chuichu Road over Casa Grande Canal?

It is owned by the County Highway Agency.