Macombs Dam Bridge
|Carries||Four lanes of Jerome Avenue|
|Crosses||Harlem River and Metro-North|
|Locale||Manhattan and the Bronx,|
New York City
|Owner||City of New York|
|Preceded by||High Bridge|
|Followed by||145th Street Bridge|
|Design||swing and camelback bridge|
|Total length||2,540 feet (774.19 m)|
|Longest span||408 feet (124.36 m)|
|Construction cost||$181 million (rehabilitation)|
|Opened||May 1, 1895|
|Daily traffic||38,183 (2016)|
The Macombs Dam Bridge (// mə-KOOMZ) spans the Harlem River in New York City, connecting the boroughs of Manhattan and the Bronx near Yankee Stadium. It is the third-oldest bridge in New York City and, along with the 155th Street Viaduct, was designated a New York City Landmark in January 1992. The bridge is operated and maintained by the New York City Department of Transportation (NYCDOT).
The bridge is located 3.2 miles (5.1 km) from the mouth of the Harlem River. It consists of a swing bridge over the Harlem River decorated with four finials and with stone end piers with shelter houses, and a camelback span over the railroad tracks on the Bronx side. The main swing span is 408 feet (124 m) long and provides two shipping channels with 150 feet (46 m) of horizontal clearance. When closed the bridge provides 25 feet (7.6 m) of vertical clearance. The bridge's total length is 2,540 feet (770 m).
The current bridge is the most recent of several bridges in the area, the first of which – along with the since-demolished lock-and-dam system – opened in 1814. The wooden Central Bridge followed in 1861, to be replaced by the current bridge, which was also called the Central Bridge; a plaque bearing this name still can be seen on the swing span. However the name never stuck. The old name of Macombs Dam Bridge remained in popular use, and the was officially renamed with its original moniker in 1902.
Construction began in 1890 and was completed in 1895 at a total cost of $1.3 million. The bridge, which was designed by consulting engineer Alfred Pancoast Boller, opened on May 1, 1895. The New York City Department of Transportation, which operates and maintains the bridge, began a $145 million renovation in 1999 and completed it in 2004.
At the western end of the bridge is a long steel viaduct leading to the intersection of 155th Street and Adam Clayton Powell, Jr. Boulevard (Seventh Avenue), both of which end at the bridge. At the eastern end, a steel approach road leads to Jerome Avenue, which extends north into the Bronx and Westchester County.
Immediately to the north of the bridge was the Putnam Bridge over which the now-demolished 9th Avenue El reached the Bronx and the IRT Jerome Avenue Line. The bridge was demolished in 1960 due to this section of the 9th Avenue El's ceasing operation in 1958.
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