US Bridges

I 19; Efr over Rock Corral Canyon

Good

Santa Cruz County, Arizona · 11.9 MI South CO Bdry · Structure no. 04695

Built
1952
73 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
360
2024 count
Owner
State
State Highway Agency

About this bridge

I 19; Efr over Rock Corral Canyon is a concrete continuous culvert carrying I 19; Efr over Rock Corral Canyon in Santa Cruz County, Arizona. It was built in 1952, so it is 73 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 360 vehicles a day, roughly 8% of them trucks, projected to reach 370 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI 19; Efr
CrossesRock Corral Canyon
Location11.9 MI South CO Bdry
RouteState Highway 19
StateArizona
Coordinates31.5636, -111.0527
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2024)
Projected traffic370 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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; Efr over Rock Corral Canyon built?

It was built in 1952, making it 73 years old in 2025.

What condition is I 19; Efr over Rock Corral Canyon 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 June 2024.

How much traffic does I 19; Efr over Rock Corral Canyon carry?

About 360 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I 19; Efr over Rock Corral Canyon?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns I 19; Efr over Rock Corral Canyon?

It is owned by the State Highway Agency.