The woman stopped her vehicle on the bridge, got out and jumped into the Kill van Kull around 9:30 a.m., responders said.
Harbor units from the NYPD and FDNY joined Port Authority police at Elm Park on Staten Island, where the body was brought.
Further information was temporarily being withheld pending family notification, Port Authority spokeswoman Lenis Rodrigues said.
CHECK BACK FOR MORE DETAILS
Click here to follow Daily Voice Englewood and receive free news updates.