Complex sentence: Narrows Bridge, in the U.S. state of New York, is a double-decked suspension bridge that connects the boroughs of Staten Island and Brooklyn in New York City at the Narrows, the reach connecting the relatively protected upper bay with the larger lower bay.
Split into simpler sentences: Narrows Bridge, in the U.S. state of New York, is a double-decked suspension bridge that connects the boroughs of Staten Island and Brooklyn in New York City. It spans the Narrows, the reach connecting the relatively protected upper bay with the larger lower bay.