Four years ago, brothers Steven and David Wirth, along with friend and brewer, Duffy Griffiths, got the idea to open a brewery.  After years of toiling with town codes and renovating their space, 15 new fermenters are finally ready to be filled with the trios’ first batch of Crooked Ladder Brewing Company beer. Located on Main Street in downtown Riverhead, the brewery aims to start brewing by the end of May with an opening slated for mid-June. With summer just around the corner, there’s no better time for all the plans to finally fall into place the new brewery. Steven…