Madison Avenue Bridge

{{short description|Bridge between Manhattan and the Bronx, New York}}

{{Use American English|date=January 2025}}

{{Use mdy dates|date=November 2017}}

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{{Infobox bridge

| name = Madison Avenue Bridge

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| image = Madison Avenue Bridge.jpg

| image_size=300px

| alt =

| caption = South side, from a Metro North train

| coordinates = {{coord|40|48|51|N|73|56|00|W|region:US_type:landmark|display=inline,title|name=Madison_Avenue_Bridge}}

| os_grid_reference =

| carries = 4 lanes of East 138th Street

| crosses = Harlem River

| locale = Manhattan and the Bronx,
New York City

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| owner = City of New York

| maint = NYCDOT{{cite web |url=http://www.nyc.gov/html/dot/downloads/pdf/harlemrvbdrpt.pdf |title=New York City's Harlem River Bridges: The Reauthorization of the Transportation Equity Act for the 21st Century |author=Michael R. Bloomberg, City of New York |date=January 23, 2004 |accessdate=December 2, 2017}}

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| preceded = 145th Street Bridge

| followed = Third Avenue Bridge

| design = Swing bridge

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| length = {{convert|1892|ft|2}}

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| mainspan = {{convert|300|ft|2}}

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| cost = $90.5 million

| open = {{start date|1910|7|18}}{{cite news |title=New Bridge Over the Harlem River |url=https://query.nytimes.com/gst/abstract.html?res=9906E1D91F3DEE32A25754C1A9619C946196D6CF |newspaper=The New York Times |page=X7 |date=July 17, 1910 |accessdate=January 15, 2010}}

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| traffic = 44,338 (2016){{cite web|url=http://www.nyc.gov/html/dot/downloads/pdf/nyc-bridge-traffic-report-2016.pdf|title=New York City Bridge Traffic Volumes|date=2016|publisher=New York City Department of Transportation|page=9|accessdate=March 16, 2018}}

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The Madison Avenue Bridge is a four-lane swing bridge crossing the Harlem River in New York City, carrying East 138th Street between the boroughs of Manhattan and the Bronx. It was designed by Alfred P. Boller and built in 1910, doubling the capacity of an earlier swing bridge built in 1884. The bridge is operated and maintained by the New York City Department of Transportation.

File:Madisonavbr5bbtjeh.JPG]]

For 2011, the NYCDOT reported an average daily traffic volume in both directions of 41,423; having reached a peak of 49,487 in 2002.{{cite web |url=http://www.nyc.gov/html/dot/downloads/pdf/bridgetrafrpt08.pdf |title=New York City Bridge Traffic Volumes 2008 |date=March 2010 |publisher=New York City Department of Transportation |page=74 |accessdate=June 27, 2010}} Between 2000 and 2014, the bridge opened for vessels 69 times.{{Cite web|year=2014|title=Bridges and Tunnels Annual Condition Report|url=https://www1.nyc.gov/html/dot/downloads/pdf/dot_bridgereport14.pdf|access-date=March 31, 2021|publisher=New York City Department of Transportation|page=147}}