Interstate 19 lane closure scheduled near Pima Mine Road in Sahuarita

Southbound Interstate 19 will be reduced to one lane near Pima Mine Road from 8 p.m. Thursday, May 4, to 5 a.m. Friday, May 5, for striping.

Law enforcement will be on site to guide traffic through the work zone.
The north and southbound I-19 off-ramps and the northbound I-19 on-ramp will remain open.

The southbound I-19 on-ramp from Pima Mine Road is closed through spring 2018 for the bridge work. During the ramp closure:

traffic will be rerouted onto Nogales Highway;

two lanes of traffic will remain open on southbound I-19;
the shoulder is closed in the work zone; and
Pima Mine Road will remain open with minor traffic interruptions during bridge work.

The ramp closure is part of the work to replace the I-19 bridge decks over Pima Mine Road in the town of Sahuarita. The $4.5 million project, located approximately 15 miles south of Tucson and partially on the Tohono O’odham Nation’s San Xavier District, includes replacing the bridge decks on the northbound and southbound travel lanes and reconstructing roadway and bridge approaches. The work also will include widening the southbound I-19 bridge, replacing guardrail end treatments, replacing pavement markings and other miscellaneous work.

Work is scheduled for completion in spring 2018.

Access to the nearby Desert Diamond Casino and ASARCO’s Mission Mine in Sahuarita will be maintained with only occasional brief delays.

Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

ADOT works to inform the public about planned highway restrictions and closures, but it’s possible that unscheduled impacts might occur because of weather or other factors. For the most current information about highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.

For more information about this project, please call Paki Rico, ADOT senior community relations officer, at 520.388.4233 or email or visit the website at


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