2014-06-06 09:51:00 by Metro Networks, Inc.
(Troutdale, OR) -- Officials say it will be several days before the Historic Columbia River Highway near the Stark Street Bridge in Troutdale is open again. A landslide forced closure of the highway yesterday morning, just east of the bridge. The Oregon Department of Transportation says there's still a threat of more rocks falling onto the roadway. Officials say at least one-thousand yards of rocks fell onto the highway.