Any pedestrian pier, gangway, dock, or portion thereof leading to or on fresh water which, by reason of inadequate maintenance, dilapidation, obsolescence, or damage, poses a risk of injury to person or damage to property is for the purpose of this Section deemed unsafe. All such unsafe piers, gangways, and docks are declared to be public nuisances and shall be abated by repair, demolition, or removed or barricaded with proper fencing until such time as all repairing thereto is made. Upon notification of this condition, the Building Official shall take corrective action under the provisions of International Building Code Section 203.