US Bridges

Desert Arbors over Small Wash

Good

Pima County, Arizona · 0.1 MI E Dos Hombres Road · Structure no. 08738

Built
1983
42 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Desert Arbors over Small Wash is a concrete continuous culvert carrying Desert Arbors over Small Wash in Pima County, Arizona. It was built in 1983, so it is 42 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDesert Arbors
CrossesSmall Wash
Location0.1 MI E Dos Hombres Road
RouteCity Street 0
StateArizona
Coordinates32.25428, -110.82811
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck35 ft (10.7 m)

Traffic and service

Average daily traffic500 (2023)
Projected traffic510 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Desert Arbors over Small Wash built?

It was built in 1983, making it 42 years old in 2025.

What condition is Desert Arbors 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 December 2023.

How much traffic does Desert Arbors over Small Wash carry?

About 500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Desert Arbors over Small Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Desert Arbors over Small Wash?

It is owned by the City or Municipal Highway Agency.