US Bridges

Ina Road over Canada Del Oro Wash

Fair

Pima County, Arizona · 0.25 MI E Thorydale Road · Structure no. 09971

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
430 ft
5 main spans
Daily traffic
34,517
2023 count
Owner
County
County Highway Agency

About this bridge

Ina Road over Canada Del Oro Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying Ina Road over Canada Del Oro Wash in Pima County, Arizona. It was built in 1984, so it is 41 years old, younger 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 5 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 34,517 vehicles a day, roughly 5% of them trucks, projected to reach 34,527 by 2042. The structure is 430 ft (131.1 m) long and 109 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesIna Road
CrossesCanada Del Oro Wash
Location0.25 MI E Thorydale Road
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.3375, -111.0413
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length430 ft (131.1 m)
Longest span86 ft (26.2 m)
Deck width109 ft (33.2 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,517 (2023)
Projected traffic34,527 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Ina Road over Canada Del Oro Wash built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ina Road over Canada Del Oro Wash 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 December 2023.

How much traffic does Ina Road over Canada Del Oro Wash carry?

About 34,517 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ina Road over Canada Del Oro Wash?

The structure is 430 ft (131.1 m) long with a longest span of 86 ft (26.2 m) and a deck 109 ft wide.

Who owns Ina Road over Canada Del Oro Wash?

It is owned by the County Highway Agency.