PolicyBrief
S. 4758
119th CongressJun 11th 2026
Incentivizing the Expansion of U.S. Ports Act
IN COMMITTEE

This bill incentivizes the expansion of U.S. ports by adjusting vessel documentation requirements and removing dredged material from certain coastwise transportation regulations.

Mike Lee
R

Mike Lee

Senator

UT

LEGISLATION

New Port Expansion Bill Waives U.S.-Built Ship Requirements for Dredging and Coastal Trade.

The Incentivizing the Expansion of U.S. Ports Act aims to speed up harbor projects by overhauling two major pillars of maritime law. First, Section 2 allows vessels to get a coastwise endorsement—the legal 'passport' needed to carry goods between U.S. ports—even if they weren't built in an American shipyard. Second, it removes 'dredged material' (the sand and silt cleared from the bottom of waterways) from the strict transportation rules that usually require U.S.-flagged ships for domestic hauling. By stripping away these requirements, the bill seeks to lower the cost of deepening our harbors to accommodate the massive cargo ships that keep our store shelves stocked.

Clearing the Channels

Under current law, if a port in Savannah or Long Beach needs to be deepened, the dirt and rock dug up from the bottom generally have to be moved by U.S.-built and U.S.-crewed ships. This bill changes the game by striking 'dredged material' from Section 55110 of Title 46. For a local construction contractor or a port authority, this means they could potentially hire specialized foreign dredging vessels that might be cheaper or more technologically advanced than what is currently available in the domestic fleet. While this could lead to faster project timelines and lower taxpayer costs for infrastructure, it shifts the work away from the traditional American maritime workforce.

Bypassing the Shipyard

The most significant shift is the change to vessel documentation rules in Section 2. Historically, the 'Jones Act' framework has required ships trading between U.S. ports to be built in the United States. This bill creates a workaround, allowing vessels to obtain a certificate of documentation regardless of where they were manufactured. Imagine you’re a business owner trying to ship lumber from Oregon to California; currently, you’re limited to a small pool of U.S.-built ships. If this bill passes, the pool of available ships could expand significantly, potentially lowering your shipping costs. However, for the workers at shipyards in states like Mississippi or Maine, this represents a major policy shift that could reduce the demand for domestic ship construction.

The Ripple Effect on Costs and Jobs

This legislation is a classic trade-off between infrastructure efficiency and industrial protection. On one hand, making it easier and cheaper to expand ports helps every consumer by reducing the bottlenecks that cause price spikes at the grocery store or the car dealership. On the other hand, the U.S. shipbuilding industry relies on these specific legal protections to stay competitive against heavily subsidized foreign shipyards. By removing the U.S.-built requirement for these specific endorsements, the bill prioritizes the speed of port modernization over the traditional 'Buy American' requirements that have governed the waves for a century.