US Bridges

I-19 SB over Julian Wash

Fair

Pima County, Arizona · JCT I-10 & I-19 · Structure no. 02595

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
210 ft
2 main spans
Daily traffic
50,941
2022 count
Owner
State
State Highway Agency

About this bridge

I-19 SB over Julian Wash is a prestressed concrete continuous box beam or girders - single or spread carrying I-19 SB over Julian Wash in Pima County, Arizona. It was built in 2003, so it is 22 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50,941 vehicles a day, roughly 19% of them trucks, projected to reach 50,951 by 2042. The structure is 210 ft (64 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-19 SB
CrossesJulian Wash
LocationJCT I-10 & I-19
RouteInterstate 19
CountyPima County
StateArizona
Coordinates32.189, -110.9822
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: 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 rating50 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length210 ft (64 m)
Longest span115 ft (35.1 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,941 (2022)
Projected traffic50,951 by 2042
Trucks19%
Lanes on structure3
Traffic directionOne-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 SB over Julian Wash built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-19 SB over Julian Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does I-19 SB over Julian Wash carry?

About 50,941 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I-19 SB over Julian Wash?

The structure is 210 ft (64 m) long with a longest span of 115 ft (35.1 m) and a deck 63 ft wide.

Who owns I-19 SB over Julian Wash?

It is owned by the State Highway Agency.