The CNJ constructed a two - track bridge over lower Newark Bay in 1864 .
The CNJ upgraded it to a dual pair of four - track lift bridges known collectively as the CRRNJ Newark Bay Bridge in 1926 .
The CNJ constructed a two - track bridge over lower Newark Bay in 1864 , and upgraded it to a dual pair of four - track lift bridges known collectively as the CRRNJ Newark Bay Bridge in 1926 .