 Route 72 is a state highway in the U.S. state of New Jersey . It runs 28 @.@ 74 mi ( 46 @.@ 25 km ) from the Four Mile Circle with Route 70 in Woodland Township in Burlington County to County Route 607 ( CR 607 ) in Ship Bottom on Long Beach Island in Ocean County . Route 72 travels through the Pine Barrens as a two @-@ lane undivided road . After an interchange with the Garden State Parkway , the route becomes a four- to six @-@ lane divided highway through built @-@ up areas of Manhawkin and crosses the Manahawkin Bay via the Manahawkin Bay Bridge onto Long Beach Island . 
