At 1,971 feet, Ocean Beach is believed to be the longest concrete pier in the world. The Northern arm of the finishing T is 193 feet long, and the Southern arm extends 360 feet. In the original construction plan they were the same length; but when building was already underway, a group of enthusiastic San Diegans raised $92,000 more to extend the arm and so increased the pier's fishing capacity. Because of this addition, the pier has a full mile of rail space.
Read the full article here which was pulled from Teyssier family archives.