 The September 2011 flood was caused by remnants of Tropical Storm Lee , which dumped 11 @.@ 36 inches ( <unk> mm ) of rainfall in the nearby village of <unk> in Fox Township in Sullivan County ( just north of the creek 's source ) . The 2011 flooding caused widespread damage in Proctor and Barbours and destroyed a small stone bridge on Wallis Run Road in Proctor over King Run , a tributary of Plunketts Creek . The Barbours Fire Hall became an " emergency relief center offering food , shelter and supplies to victims of the flood " . Further downstream on the Loyalsock , the flooding badly damaged the historic Hillsgrove <unk> Bridge , washed out sections of Pennsylvania Route 87 along the creek , and destroyed the Pennsylvania Route 973 and Lycoming Valley Railroad bridges over the creek near and in Montoursville . 
