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.

The bridge is operated and maintained by the New York City Department of Transportation.

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.

[5] The bridge is part of the course for the annual New York City Marathon.

The runners cross from Manhattan to the Bronx via the Willis Avenue Bridge, follow a short course through the South Bronx, and then return to Manhattan for the race's final leg via the Madison Avenue Bridge.