US Bridges

Trekell RD over Casa Grande Canal

Good

Pinal County, Arizona · 2.0 MI S JCT SR 84 · Structure no. 09091

Built
1972
53 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
615
2018 count
Owner
County
County Highway Agency

About this bridge

Trekell RD over Casa Grande Canal is a prestressed concrete box beam or girders - multiple carrying Trekell RD 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 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 615 vehicles a day, roughly 5% of them trucks, projected to reach 625 by 2038. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesTrekell RD
CrossesCasa Grande Canal
Location2.0 MI S JCT SR 84
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates32.8356, -111.7401
Functional classRural Minor Arterial

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 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 length30 ft (9.1 m)
Longest span28 ft (8.5 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 traffic615 (2018)
Projected traffic625 by 2038
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 Trekell RD over Casa Grande Canal built?

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

What condition is Trekell RD over Casa Grande 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 February 2024.

How much traffic does Trekell RD over Casa Grande Canal carry?

About 615 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Trekell RD over Casa Grande Canal?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns Trekell RD over Casa Grande Canal?

It is owned by the County Highway Agency.