While there were no serious injuries, the damage forced the grocery store to close indefinitely as arduous repairs began. That indefinite closure has become permanent, as Safeway Inc. made the decision not to return to Troutdale once the extent of the damage to the store became known.
What causes collapsed roof?
What Could Cause a Roof to Collapse? Increased weight to the roof from heavy rain or snow. Dry rot and structural damage due to water intrusion from a recurring roof leak. Inadequate or compromised roof drainage; plugged roof drains, gutters or downspouts.