Rock slide on State Route 87 prompts precautionary measures

Posted: Updated:

The following is a press release from the Arizona Department of Transportation:

PHOENIX - A new rock slide on State Route 87 has prompted the Arizona Department of Transportation to protect travel lanes on this busy corridor to northern Arizona.

ADOT engineers learned that a rock slide occurred Thursday on SR 87 (Duthie-Martin Highway), about 18 miles north of the Bush Highway interchange. Although the slide did not impact the roadway, ADOT is taking precautions to protect southbound traffic through this area should another event occur.

In light of the March 2008 landslide on SR 87 at milepost 224, and after a site visit Friday to the latest location between mileposts 217 and 218, it was determined that temporary concrete barrier should be placed along the roadside of southbound travel to protect traffic from falling rocks. ADOT is committed to keeping the traveling public safe, and is prepared to close a travel lane if further action is needed.

Crews will be out at 6 a.m. Saturday to place the 52-inch high barrier on the right shoulder of the highway. During the work, southbound traffic will be restricted to one lane through the area and work crews will need to stop southbound traffic periodically as each piece of 20-foot long concrete barrier is unloaded. Once crews have completed placing the barrier, all lanes of traffic will be open to vehicles.

An ADOT geotechnical team has visited the site and is investigating the situation further. ADOT will keep the public informed of those findings as they become available.

At mile post 224 in the Slate Creek area on southbound SR 87, ADOT crews continue to monitor the slope which showed movement recently following a series of winter storms. Crews continue with erosion-control efforts in this area.

ADOT appreciates the patience of the traveling public during this effort. Please call 5-1-1 or view for updates on any highway closure around Arizona.