RedactedNarrative: Vessel TN 7980DT with 2 people aboard was traveling down Norris Lake below Lone Mountain Boat Dock in Claiborne County Tennessee on November 12, 2017 at approximately 15:19.  Both people aboard indicate that the steering failed and the boat struck a portion of bridge owned by the CSX railroad.  
  Substantial damage occurred to the vessel.  No damage was visible to the railroad bridge. Both occupants of the vessel were uninjured.