US Bridges

First Ave over Canada Del Oro Wash

Fair

Pima County, Arizona · 0.2 MI NW JCT SR 77 · Structure no. 08910

Built
1984
41 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
704 ft
7 main spans
Daily traffic
9,836
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

First Ave over Canada Del Oro Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying First Ave 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 9,836 vehicles a day, roughly 5% of them trucks, projected to reach 9,846 by 2042. The structure is 704 ft (214.6 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFirst Ave
CrossesCanada Del Oro Wash
Location0.2 MI NW JCT SR 77
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.4021, -110.9572
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length704 ft (214.6 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,836 (2022)
Projected traffic9,846 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 First Ave over Canada Del Oro Wash built?

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

What condition is First Ave 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 2024.

How much traffic does First Ave over Canada Del Oro Wash carry?

About 9,836 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is First Ave over Canada Del Oro Wash?

The structure is 704 ft (214.6 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns First Ave over Canada Del Oro Wash?

It is owned by the Town or Township Highway Agency.