US Bridges

Tanque Verde Road over Small Wash

Fair

Pima County, Arizona · 0.7 MI E. Pantano RD · Structure no. 07574

Built
1987
38 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
76 ft
5 main spans
Daily traffic
34,437
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tanque Verde Road over Small Wash is a concrete continuous culvert carrying Tanque Verde Road over Small Wash in Pima County, Arizona. It was built in 1987, so it is 38 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 34,437 vehicles a day, roughly 10% of them trucks, projected to reach 34,447 by 2042. The structure is 76 ft (23.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTanque Verde Road
CrossesSmall Wash
Location0.7 MI E. Pantano RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.25808, -110.814
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,437 (2022)
Projected traffic34,447 by 2042
Trucks10%
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

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 Tanque Verde Road over Small Wash built?

It was built in 1987, making it 38 years old in 2025.

What condition is Tanque Verde Road 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 December 2023.

How much traffic does Tanque Verde Road over Small Wash carry?

About 34,437 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Tanque Verde Road over Small Wash?

The structure is 76 ft (23.2 m) long with a longest span of 10 ft (3 m).

Who owns Tanque Verde Road over Small Wash?

It is owned by the City or Municipal Highway Agency.