Two lanes were later removed, making it into a four-lane bridge.
The four-lane bridge carries more than 10,000 commercial vehicles on a typical weekday.
A new four-lane bridge was completed in 2007.
That bridge, constructed in 1917, was later replaced with a four-lane bridge.
It is the only four-lane bridge on the upper main stem of the Delaware.
The four-lane bridge has been thoroughly vetted over the course of three decades.
Officials drafted alternative plans, including the concept of a four-lane bridge.
They said a new four-lane bridge could be built alongside the old one in the opposite direction.
In 2002, the old two lane drawbridge was replaced with a fixed, clear span, four-lane bridge.
The ground breaking ceremonies for the four-lane bridge was held on April 30, 1991.