The original Lower Trenton Bridge (also called the Trenton Makes the World Takes Bridge), which spans the Delaware River between Morrisville, Pennsylvania and Trenton, New Jersey, is opened.

The Lower Trenton Toll Supported Bridge, commonly called the Lower Free Bridge, Warren Street Bridge or Trenton Makes Bridge, is a two-lane Pennsylvania (Petit) through truss bridge that crosses over the Delaware River between Trenton, New Jersey and Morrisville, Pennsylvania.