UPDATE: Car-sized boulders fall, 4 motorists injured

Saturday , August 23, 2014 - 9:34 AM

BRIGHAM CITY — Car-sized boulders tumbled down the side of Sardine Canyon, injuring four motorists and causing six collisions, including two rollovers, Friday night.  

The rockslide was caused by heavy rain and came down the north slope of the canyon between Mile Markers 4 and 5 on U.S. 89/91 between Brigham City and Mantua at about 9:50 p.m., said Utah Highway Patrol Sgt. Mary Kaye Lucas. Four people were taken by ambulance with non-life-threatening injuries, Lt. Lee Perry said Saturday

One fallen boulder was the size of a small sedan and another was slightly smaller, Lucas told the Standard-Examiner. The canyon was closed to traffic in both directions for about an hour as crews cleared away the debris and cleaned up the various collisions.

Two vehicles hit one of the larger boulders, causing both to roll over, Perry said. Four other vehicles hit the smaller rocks and debris and sustained damage.

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The roadway sustained significant damage, including a hole the size of a car tire, Lucas said. Gravel and dirt also poured down the mountainside in the slide.  

Police and crews from the Utah Department of Transportation on Saturday were keeping a close eye on the mountainside and the wet weather to determine whether further closures or precautions are necessary. The UDOT Traffic Operations Center activated the overhead signs on both sides of the canyon, warning drivers of the possibility for rocks in the roadway.

Contact reporter Ben Lockhart at 801-625-4221 or blockhart@standard.net. Follow him on Twitter at @SE_Lockhart. Like his Facebook page at www.facebook.com/blockhartSE. 



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