RedactedNarrative: V2 was heading under the HWY 71 bridge back into West Lake Okoboji and were half way under the bridge when they saw V3 heading toward East lake going under the same bridge.  
  
  This bridge underpass is very narrow and barely able to support 2 boats through in a perfect situation.  V3 kept coming left toward V2 as they were both going under the bridge which caused V2 to turn right to avoid the collision.  
  
  V2 left the bridge underpass still going in a rightly direction and made impact with V1 which is directly just pass the bridge underpass.  
  
  V1 was in his slip and partially having his boat in the hoist when V2 hit V1, causing damage to the swim deck and lower unit.  V3 states that V2 forced him to the North shoreline which caused him to also hit V1 in the hoist. V3 sustained no damage.  
  
  There was no operator in V1.