The woman was heading toward New Jersey from Pennsylvania when she stopped her car just before the halfway point on the bridge, got out and jumped around 7:30 p.m., according to Burlington County Bridge Commission's Public Safety Director Patrick Reilly.
The Philadelphia police and fire departments searched the riverbanks in Pennsylvania, while the New Jersey State Police and Coast Guard searched the river.
The woman's identity was not released.
Click here to follow Daily Voice Bristol and receive free news updates.