US Bridges

IRR Pima Road over Arizona Canal

Fair

Maricopa County, Arizona · 0.6MI S of Ind Bnd on Pim · Structure no. 09353

Built
1968
57 years old, rebuilt 2019
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
9,755
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

IRR Pima Road over Arizona Canal is a prestressed concrete box beam or girders - multiple carrying IRR Pima Road over Arizona Canal in Maricopa County, Arizona. It was built in 1968 and reconstructed in 2019, so it is 57 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 9,755 vehicles a day, roughly 5% of them trucks, projected to reach 9,765 by 2042. The structure is 118 ft (36 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIRR Pima Road
CrossesArizona Canal
Location0.6MI S of Ind Bnd on Pim
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5316, -111.8915
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span39 ft (11.9 m)
Deck width72 ft (21.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck35 ft (10.7 m)

Traffic and service

Average daily traffic9,755 (2023)
Projected traffic9,765 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR Pima Road over Arizona Canal built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2019.

What condition is IRR Pima Road over Arizona 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 September 2024.

How much traffic does IRR Pima Road over Arizona Canal carry?

About 9,755 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR Pima Road over Arizona Canal?

The structure is 118 ft (36 m) long with a longest span of 39 ft (11.9 m) and a deck 72 ft wide.

Who owns IRR Pima Road over Arizona Canal?

It is owned by the City or Municipal Highway Agency.