If you've got the space and need to move heavy objects around your workshop, then a gantry crane could be your solution. By Timothy Dahl Published: Feb 11, 2016 1:57 PM EST View full post on Youtube ...

The two gantry cranes on I-481 are an engineering solution to a tricky construction dilemma. Picture two existing 2,100-foot long bridges side-by-side over a functioning railroad.