US Bridges

IRR I 19; NB over Papago RD

Fair

Pima County, Arizona · 8.7 MI S JCT I 10 · Structure no. 01307

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
24,519
2022 count
Owner
State
State Highway Agency

About this bridge

IRR I 19; NB over Papago RD is a concrete continuous tee beam carrying IRR I 19; NB over Papago RD in Pima County, Arizona. It was built in 1968, so it is 57 years old, older 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 24,519 vehicles a day, roughly 19% of them trucks, projected to reach 24,529 by 2042. The structure is 123 ft (37.5 m) long and 41 ft wide.

CarriesIRR I 19; NB
CrossesPapago RD
Location8.7 MI S JCT I 10
RouteInterstate 19
StateArizona
Coordinates32.0703, -110.9929
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span50 ft (15.2 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,519 (2022)
Projected traffic24,529 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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; NB over Papago RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is IRR I 19; NB over Papago RD 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 IRR I 19; NB over Papago RD carry?

About 24,519 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is IRR I 19; NB over Papago RD?

The structure is 123 ft (37.5 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.

Who owns IRR I 19; NB over Papago RD?

It is owned by the State Highway Agency.