There his division secured the important bridge over the Assunpink Creek to the south of the town .
General Sullivan was released in a prisoner exchange ( for captured British officer Richard Prescott ) in time to rejoin Washington before the Battle of Trenton .
There Sullivan 's division secured the important bridge over the Assunpink Creek to the south of the town .
General Sullivan was released in a prisoner exchange ( for captured British officer Richard Prescott ) in time to rejoin Washington before the Battle of Trenton .