US Bridges

Alvernon Way over Small Wash

Good

Pima County, Arizona · 1.3 MI S Los Reales · Structure no. 09561

Built
1956
69 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
64 ft
6 main spans
Daily traffic
7,910
2022 count
Owner
County
County Highway Agency

About this bridge

Alvernon Way over Small Wash is a concrete continuous culvert carrying Alvernon Way over Small Wash in Pima County, Arizona. It was built in 1956, so it is 69 years old, older 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 7,910 vehicles a day, roughly 10% of them trucks, projected to reach 7,920 by 2042. The structure is 64 ft (19.5 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesAlvernon Way
CrossesSmall Wash
Location1.3 MI S Los Reales
RouteCounty Highway 505
CountyPima County
StateArizona
Coordinates32.1025, -110.90941
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,910 (2022)
Projected traffic7,920 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 Alvernon Way over Small Wash built?

It was built in 1956, making it 69 years old in 2025.

What condition is Alvernon Way over Small 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 November 2023.

How much traffic does Alvernon Way over Small Wash carry?

About 7,910 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Alvernon Way over Small Wash?

The structure is 64 ft (19.5 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Alvernon Way over Small Wash?

It is owned by the County Highway Agency.