US Bridges

I 19; NB over Western Ave

Fair

Santa Cruz County, Arizona · 4.2 MI S JCT B19 · Structure no. 01545

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
6,046
2023 count
Owner
State
State Highway Agency

About this bridge

I 19; NB over Western Ave is a concrete continuous tee beam carrying I 19; NB over Western Ave in Santa Cruz County, Arizona. It was built in 1971, so it is 54 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 6,046 vehicles a day, roughly 6% of them trucks, projected to reach 6,056 by 2042. The structure is 127 ft (38.7 m) long and 41 ft wide.

Location

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CarriesI 19; NB
CrossesWestern Ave
Location4.2 MI S JCT B19
RouteInterstate 19
CountySanta Cruz County
StateArizona
Coordinates31.3412, -110.9537
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 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 traffic6,046 (2023)
Projected traffic6,056 by 2042
Trucks6%
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 I 19; NB over Western Ave built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 19; NB over Western Ave 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 April 2024.

How much traffic does I 19; NB over Western Ave carry?

About 6,046 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 19; NB over Western Ave?

The structure is 127 ft (38.7 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.

Who owns I 19; NB over Western Ave?

It is owned by the State Highway Agency.