US Bridges

I 19; SB over Arivaca Road

Good

Pima County, Arizona · 22.3 MI N JCT SR 289 · Structure no. 01747

Built
1977
48 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
147 ft
1 main span
Daily traffic
10,647
2021 count
Owner
State
State Highway Agency

About this bridge

I 19; SB over Arivaca Road is a prestressed concrete box beam or girders - single or spread carrying I 19; SB over Arivaca Road in Pima County, Arizona. It was built in 1977, so it is 48 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 10,647 vehicles a day, roughly 15% of them trucks, projected to reach 10,657 by 2041. The structure is 147 ft (44.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 19; SB
CrossesArivaca Road
Location22.3 MI N JCT SR 289
RouteInterstate 19
CountyPima County
StateArizona
Coordinates31.726, -111.0585
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span144 ft (43.9 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,647 (2021)
Projected traffic10,657 by 2041
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 19; SB over Arivaca Road built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 19; SB over Arivaca Road 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 May 2023.

How much traffic does I 19; SB over Arivaca Road carry?

About 10,647 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is I 19; SB over Arivaca Road?

The structure is 147 ft (44.8 m) long with a longest span of 144 ft (43.9 m) and a deck 45 ft wide.

Who owns I 19; SB over Arivaca Road?

It is owned by the State Highway Agency.