US Bridges

I 19 over Wash

Good

Santa Cruz County, Arizona · 15.5 MI N JCT SR 289 · Structure no. 04699

Built
1932
93 years old, rebuilt 1978
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
15,266
2024 count
Owner
State
State Highway Agency

About this bridge

I 19 over Wash is a concrete continuous culvert carrying I 19 over Wash in Santa Cruz County, Arizona. It was built in 1932 and reconstructed in 1978, so it is 93 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 15,266 vehicles a day, roughly 16% of them trucks, projected to reach 15,276 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 19
CrossesWash
Location15.5 MI N JCT SR 289
RouteInterstate 19
CountySanta Cruz County
StateArizona
Coordinates31.61442, -111.05283
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 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 deckUnrestricted

Traffic and service

Average daily traffic15,266 (2024)
Projected traffic15,276 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 19 over Wash built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1978.

What condition is I 19 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 June 2024.

How much traffic does I 19 over Wash carry?

About 15,266 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is I 19 over Wash?

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

Who owns I 19 over Wash?

It is owned by the State Highway Agency.