US Bridges

Tanque Verde Road over Pantano Wash

Fair

Pima County, Arizona · 0.4 MI W Sabino Cyn RD · Structure no. 09569

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
278 ft
4 main spans
Daily traffic
33,208
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tanque Verde Road over Pantano Wash is a prestressed concrete box beam or girders - multiple carrying Tanque Verde Road over Pantano Wash in Pima County, Arizona. It was built in 1978, so it is 47 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 33,208 vehicles a day, roughly 5% of them trucks, projected to reach 33,218 by 2042. The structure is 278 ft (84.7 m) long and 137 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTanque Verde Road
CrossesPantano Wash
Location0.4 MI W Sabino Cyn RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.2489, -110.8486
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length278 ft (84.7 m)
Longest span69 ft (21 m)
Deck width137 ft (41.8 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic33,208 (2022)
Projected traffic33,218 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Tanque Verde Road over Pantano Wash built?

It was built in 1978, making it 47 years old in 2025.

What condition is Tanque Verde Road over Pantano 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 2023.

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

About 33,208 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Tanque Verde Road over Pantano Wash?

The structure is 278 ft (84.7 m) long with a longest span of 69 ft (21 m) and a deck 137 ft wide.

Who owns Tanque Verde Road over Pantano Wash?

It is owned by the City or Municipal Highway Agency.