|Madison Avenue Bridge|
South side, from a Metro North train
|Locale||Manhattan and the Bronx, in New York City|
|Maintained by||New York City Department of Transportation|
|Total length||1,892 feet (577 m)|
|Longest span||300 feet (91 m)|
|Opened||July 18, 1910|
|Daily traffic||41,740 (2008)|
The Madison Avenue Bridge crosses the Harlem River connecting Madison Avenue in Manhattan with East 138th Street in the Bronx in New York City. The bridge is operated and maintained by the New York City Department of Transportation. It was designed by Alfred P. Boller and built in 1910 to replace and double the capacity of another earlier swing bridge dating from 1884.
Public transportation 
The Madison Avenue Bridge carries the Bx33 local bus route operated by MTA New York City Transit, the BxM3 and BxM4 express bus routes operated by the MTA Bus Company, and the BxM4C express bus route operated by Westchester County's Bee Line Bus System. The average weekday ridership of the Bx33 bus route is 3,216. The average weekday ridership on the BxM3 bus route is 718. The average weekday ridership on the BxM4 bus route is 414. Prior to June 27, 2010, the BxM4 was known as the BxM4A and BxM4B.
- "New Bridge Over the Harlem River". The New York Times. July 17, 1910. p. X7. Retrieved 2010-01-15.
- "New York City Bridge Traffic Volumes 2008" (PDF). New York City Department of Transportation. March 2010. p. 74. Retrieved 2010-06-27.
- "Average Weekday NYC Transit Bus Ridership" (HTML). MTA New York City Transit. 2012. Retrieved 2012-07-04.
- "Average Weekday MTA Bus Ridership" (HTML). MTA Bus Company. 2012. Retrieved 2012-07-04.
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