US Bridges

I 19; NB over Agua Fria Canyon

Fair

Santa Cruz County, Arizona · 4.3 MI N JCT SR 289 · Structure no. 00353

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
92 ft
4 main spans
Daily traffic
10,640
2023 count
Owner
State
State Highway Agency

About this bridge

I 19; NB over Agua Fria Canyon is a concrete continuous slab carrying I 19; NB over Agua Fria Canyon in Santa Cruz County, Arizona. It was built in 1951, so it is 74 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 10,640 vehicles a day, roughly 12% of them trucks, projected to reach 10,650 by 2042. The structure is 92 ft (28 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; NB
CrossesAgua Fria Canyon
Location4.3 MI N JCT SR 289
RouteInterstate 19
CountySanta Cruz County
StateArizona
Coordinates31.4788, -111.001
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length92 ft (28 m)
Longest span25 ft (7.6 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,640 (2023)
Projected traffic10,650 by 2042
Trucks12%
Lanes on structure2
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; NB over Agua Fria Canyon built?

It was built in 1951, making it 74 years old in 2025.

What condition is I 19; NB over Agua Fria Canyon 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 Agua Fria Canyon carry?

About 10,640 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I 19; NB over Agua Fria Canyon?

The structure is 92 ft (28 m) long with a longest span of 25 ft (7.6 m) and a deck 45 ft wide.

Who owns I 19; NB over Agua Fria Canyon?

It is owned by the State Highway Agency.