ST. MARIES, Idaho – State Highway 5 near milepost 4.75 between St. Maries and Plummer is completely closed due to slides and an unstable road base.

The Idaho Department of Transportation said up to 8-inch cracks and 2-foot vertical drops have developed in the roads.

According to the Benewah County Sheriff’s Office said the road bed collapsed approximately two feet between the 12:00 p.m. and 2:00 p.m.

At this time, crews are working to determine how to repair the roads and do so with the safety of the public in mind.

The BCSO advises drivers to “make every effort to avoid this area.”