US Bridges

Old Tucson Road over Wash

Good

Santa Cruz County, Arizona · 1.1 MI N of JCT B 19 · Structure no. 09907

Built
1931
94 years old, rebuilt 2005
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,856
2024 count
Owner
County
County Highway Agency

About this bridge

Old Tucson Road over Wash is a concrete continuous culvert carrying Old Tucson Road over Wash in Santa Cruz County, Arizona. It was built in 1931 and reconstructed in 2005, so it is 94 years old, older 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 2,856 vehicles a day, roughly 20% of them trucks, projected to reach 2,866 by 2042. The structure is 32 ft (9.8 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Tucson Road
CrossesWash
Location1.1 MI N of JCT B 19
RouteCounty Highway 0
StateArizona
Coordinates31.40556, -110.95556
Functional classUrban Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width57 ft (17.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,856 (2024)
Projected traffic2,866 by 2042
Trucks20%
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

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 Old Tucson Road over Wash built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2005.

What condition is Old Tucson Road over 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 August 2024.

How much traffic does Old Tucson Road over Wash carry?

About 2,856 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Old Tucson Road over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 57 ft wide.

Who owns Old Tucson Road over Wash?

It is owned by the County Highway Agency.