US Bridges

I 19 over Wash

Good

Pima County, Arizona · 0.6 MI N JCT B 19 · Structure no. 06325

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
43,445
2022 count
Owner
State
State Highway Agency

About this bridge

I 19 over Wash is a concrete continuous culvert carrying I 19 over Wash in Pima County, Arizona. It was built in 1971, so it is 54 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 43,445 vehicles a day, roughly 17% of them trucks, projected to reach 43,455 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 19
CrossesWash
Location0.6 MI N JCT B 19
RouteInterstate 19
CountyPima County
StateArizona
Coordinates31.914, -110.98583
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.4 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 traffic43,445 (2022)
Projected traffic43,455 by 2042
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 19 over Wash built?

It was built in 1971, making it 54 years old in 2025.

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 February 2024.

How much traffic does I 19 over Wash carry?

About 43,445 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I 19 over Wash?

The structure is 44 ft (13.4 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.