Police released a sketch of the man they're looking for.
They say he's sexually assaulted two 19-year-old women and tried to assault a third.
All of the attacks happened on the Baychester footbridge which crosses the New England Thruway on Baychester Avenue.
The suspect is described as a black man age 22 to 28-years-old, about 5'06" in height, and 160-180lbs.
Anyone with information in regards to this incident is asked to call Crime stoppers at 1-800-577-TIPS (8477).
You can also submit your tips by logging onto the Crime stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting your tips to 274637 (CRIMES) and then entering TIP577.