US Bridges

Tanque Verde RD over Castle Wash

Good

Pima County, Arizona · E/O N. Amberwood Dr. · Structure no. 11309

Built
2011
14 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
91 ft
6 main spans
Daily traffic
13,346
2022 count
Owner
County
County Highway Agency

About this bridge

Tanque Verde RD over Castle Wash is a concrete continuous culvert carrying Tanque Verde RD over Castle Wash in Pima County, Arizona. It was built in 2011, so it is 14 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 13,346 vehicles a day, roughly 5% of them trucks, projected to reach 13,356 by 2042. The structure is 91 ft (27.7 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTanque Verde RD
CrossesCastle Wash
LocationE/O N. Amberwood Dr.
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.25094, -110.77999
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span12 ft (3.7 m)
Deck width82 ft (25 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,346 (2022)
Projected traffic13,356 by 2042
Trucks5%
Lanes on structure4
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

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 Tanque Verde RD over Castle Wash built?

It was built in 2011, making it 14 years old in 2025.

What condition is Tanque Verde RD over Castle 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 March 2024.

How much traffic does Tanque Verde RD over Castle Wash carry?

About 13,346 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Tanque Verde RD over Castle Wash?

The structure is 91 ft (27.7 m) long with a longest span of 12 ft (3.7 m) and a deck 82 ft wide.

Who owns Tanque Verde RD over Castle Wash?

It is owned by the County Highway Agency.