The main purpose of this legislation, known as the "Incentivizing the Expansion of U.S. Ports Act," is to simplify the regulations surrounding dredging activities and the management of dredged material. The goal is to promote the expansion and efficiency of U.S. ports, which are crucial for trade and transportation. Key provisions of the legislation include changes to existing laws that govern dredging operations. It modifies specific legal requirements that currently apply to dredging and the handling of dredged material.