US Bridges

IRR I 19; SB over San Xavier RD

Good

Pima County, Arizona · 7.3 MI South of JCT I 19 · Structure no. 01242

Built
1967
58 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
24,297
2022 count
Owner
State
State Highway Agency

About this bridge

IRR I 19; SB over San Xavier RD is a concrete continuous slab carrying IRR I 19; SB over San Xavier RD in Pima County, Arizona. It was built in 1967, so it is 58 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 24,297 vehicles a day, roughly 19% of them trucks, projected to reach 24,307 by 2042. The structure is 69 ft (21 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIRR I 19; SB
CrossesSan Xavier RD
Location7.3 MI South of JCT I 19
RouteInterstate 19
StateArizona
Coordinates32.0902, -110.9935
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span25 ft (7.6 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,297 (2022)
Projected traffic24,307 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 IRR I 19; SB over San Xavier RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is IRR I 19; SB over San Xavier RD 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 September 2023.

How much traffic does IRR I 19; SB over San Xavier RD carry?

About 24,297 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is IRR I 19; SB over San Xavier RD?

The structure is 69 ft (21 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.

Who owns IRR I 19; SB over San Xavier RD?

It is owned by the State Highway Agency.