US Bridges

I 19; NB & SB over Wash

Good

Pima County, Arizona · 2.6 MI S JCT I 10 · Structure no. 06511

Built
1964
61 years old, rebuilt 1992
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
80,406
2022 count
Owner
State
State Highway Agency

About this bridge

I 19; NB & SB over Wash is a concrete continuous culvert carrying I 19; NB & SB over Wash in Pima County, Arizona. It was built in 1964 and reconstructed in 1992, so it is 61 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 80,406 vehicles a day, roughly 13% of them trucks, projected to reach 80,416 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 19; NB & SB
CrossesWash
Location2.6 MI S JCT I 10
RouteInterstate 19
CountyPima County
StateArizona
Coordinates32.15731, -110.98617
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy6: Equal to present minimum 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 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 traffic80,406 (2022)
Projected traffic80,416 by 2042
Trucks13%
Lanes on structure4
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$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 19; NB & SB over Wash built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is I 19; NB & SB 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; NB & SB over Wash carry?

About 80,406 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is I 19; NB & SB over Wash?

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

Who owns I 19; NB & SB over Wash?

It is owned by the State Highway Agency.