The Collar City Bridge carries NY 7

New York State Route 7

New York State Route 7 is a 180-mile long New York State Highway that runs from the New York/Pennsylvania border south of Binghamton, New York to the New York/Vermont border east of Hoosick. Most of the road runs along the Susquehanna Valley, closely paralleling Interstate 88 throughout...

 across the Hudson River

Hudson River

The Hudson is a river that flows from north to south through eastern New York. The highest official source is at Lake Tear of the Clouds, on the slopes of Mount Marcy in the Adirondack Mountains. The river itself officially begins in Henderson Lake in Newcomb, New York...

 connecting Colonie, New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 with Troy

Troy, New York

Troy is a city in the US State of New York and the seat of Rensselaer County. Troy is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany and Schenectady, forming a region popularly called the Capital...

, by way of passing over Green Island

Green Island, New York

Green Island is a coterminous town and village in Albany County, New York, USA some 8 miles north of Albany, New York. Green Island is one of only five such town-village amalgams in New York. The population was 2,620 at the 2010 census...

. As the Northern Terminus of Interstate 787 is unclear, it may share a concurrency with NY 7 across the bridge.

History

The Collar City Bridge had been planned since the 1950s, but did not open to traffic until 1981 connecting Troy and Green Island to I-787. By the end of the decade, the Route 7 Freeway was completed with a connection to the bridge. The bridge's official name, a reference to the City of Troy's nickname, was selected by an elderly couple in nearby Berlin

Berlin, New York

Berlin is a town in Rensselaer County, New York, United States. The population was 1,901 at the 2000 census. The town is named after Berlin in Germany, although natives pronounce the name differently, with the accent on the first syllable....

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