bridge1  High voltage line in Bridge Street, Gawler, near Gawler Central railway bridge. Wednesday 1 March 2006. bridge2  High voltage line in Bridge Street, Gawler, near Gawler Central railway bridge. Wednesday 1 March 2006. king  High voltage line in King Street, Gawler. Wednesday 1 March 2006. julian1  Painted stobie pole in Julian Terrace, Gawler. Tuesday 13 November 2007.