US Bridges

Alvernon Way over Small Wash

Fair

Pima County, Arizona · Sta 33500 Alvernon Way · Structure no. 08734

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
11,020
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 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 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 11,020 vehicles a day, projected to reach 11,030 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAlvernon Way
CrossesSmall Wash
LocationSta 33500 Alvernon Way
RouteCounty Highway 0
StateArizona
Coordinates32.18589, -110.90869
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
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,020 (2022)
Projected traffic11,030 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1984, making it 41 years old in 2025.

What condition is Alvernon Way over Small 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 March 2024.

How much traffic does Alvernon Way over Small Wash carry?

About 11,020 vehicles per day (2022 count).

How long is Alvernon Way over Small Wash?

The structure is 40 ft (12.2 m) long with a longest span of 8 ft (2.4 m).

Who owns Alvernon Way over Small Wash?

It is owned by the County Highway Agency.