RedactedNarrative: Unit 1 was traveling north on the icw in horry county when it struck the swing bridge in socastee.  Operator is blind in his left eye and this played a role in the collision.  Unit 1 was traveling approximately 7 knots at the time of the collision.  The boom of unit 1 struck the bridge causing the top to fall on the operator giving him a head laceration.  The owner of unit 1 was below deck and came up to assist the injured operator.  After the collision with the bridge, unit 1 continued making way and collided with a private dock.  The operator was taken to shore and transported to the hospital for evaluation.