Park Avenue Bridge (New York City) Park Avenue Bridge (New York City) The Park Avenue Bridge is a vertical lift bridge carrying the Metro-North Railroad across the Harlem River between the boroughs of Manhattan and the Bronx in New York City. The average weekday ridership on Metro-North Railroad is 265,000. The first bridge on this site was constructed by the New York and Harlem Railroad in 1841. It was composed of four -long box truss spans, three of which were fixed iron spans, while the remaining span was a wooden swing span. In the closed position, the bridge had a clearance of only seven feet above
Boroughs of New York City 1898. Under the 1898 City Charter adopted by the New York State Legislature, a "borough" is a municipal corporation that is created when a county is merged with populated areas within it. The limited powers of the borough governments are inferior to the authority of the Government of New York City, contrasting significantly with other borough administrations of government used in Connecticut, New Jersey, and Pennsylvania, where a borough is an independent level of government, as well as borough forms used in other states and in Greater London. New York City is often referred to collectively as the five boroughs;