US Bridges

Avra Valley RD over Blanco Wash

Good

Pima County, Arizona · 13.4 MI W of I 10 · Structure no. 09848

Built
1993
32 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
1,099
2025 count
Owner
County
County Highway Agency

About this bridge

Avra Valley RD over Blanco Wash is a concrete continuous slab carrying Avra Valley RD over Blanco Wash in Pima County, Arizona. It was built in 1993, so it is 32 years old, younger 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 1,099 vehicles a day, roughly 5% of them trucks, projected to reach 1,109 by 2042. The structure is 125 ft (38.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAvra Valley RD
CrossesBlanco Wash
Location13.4 MI W of I 10
RouteCounty Highway 0
StateArizona
Coordinates32.37866, -111.34078
Functional classRural Major Collector

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 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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span42 ft (12.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,099 (2025)
Projected traffic1,109 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 RD over Blanco Wash built?

It was built in 1993, making it 32 years old in 2025.

What condition is Avra Valley RD over Blanco Wash 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 January 2025.

How much traffic does Avra Valley RD over Blanco Wash carry?

About 1,099 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is Avra Valley RD over Blanco Wash?

The structure is 125 ft (38.1 m) long with a longest span of 42 ft (12.8 m) and a deck 47 ft wide.

Who owns Avra Valley RD over Blanco Wash?

It is owned by the County Highway Agency.