US Bridges

Avra Valley Road over Santa Cruz River

Fair

Pima County, Arizona · 1.1 MI W of I 10 · Structure no. 10125

Built
1997
28 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
628 ft
7 main spans
Daily traffic
6,051
2025 count
Owner
County
County Highway Agency

About this bridge

Avra Valley Road over Santa Cruz River is a prestressed concrete continuous stringer/multi-beam or girder carrying Avra Valley Road over Santa Cruz River in Pima County, Arizona. It was built in 1997, so it is 28 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 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 6,051 vehicles a day, roughly 12% of them trucks, projected to reach 6,061 by 2042. The structure is 628 ft (191.4 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesAvra Valley Road
CrossesSanta Cruz River
Location1.1 MI W of I 10
RouteCounty Highway 0
StateArizona
Coordinates32.40251, -111.14627
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating99 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length628 ft (191.4 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,051 (2025)
Projected traffic6,061 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Avra Valley Road over Santa Cruz River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Avra Valley Road over Santa Cruz River 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 January 2025.

How much traffic does Avra Valley Road over Santa Cruz River carry?

About 6,051 vehicles per day (2025 count), of which roughly 12% are trucks.

How long is Avra Valley Road over Santa Cruz River?

The structure is 628 ft (191.4 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns Avra Valley Road over Santa Cruz River?

It is owned by the County Highway Agency.