After nearly a decade of work, the Charleston Harbor Deepening Project has officially reached completion, marking a major milestone for South Carolina’s economy. On Monday, leaders celebrated the final phase of the initiative with a $21.28 million reimbursement check presented to the South Carolina Ports Authority, closing out the funding for one of the most impactful infrastructure projects in state history.
From 45 to 52 Feet: A Deep Dive into Progress
The deepening of Charleston Harbor from 45 feet to 52 feet makes it the deepest harbor on the East Coast, positioning the Port of Charleston as a top contender in international shipping. This transformation has opened the way for even the largest container ships to enter and exit the port regardless of tides, giving South Carolina a major edge in the global supply chain.
“This port allows us to import and export at a level most would only dream of,” said Senator Lindsey Graham, who has been a long-time supporter and key figure in securing federal reimbursements for the project.
Decade of Teamwork and Investment
Started in 2011, the deepening effort brought together leaders across local, state, and federal levels. Funding was accelerated through state resources, while U.S. Army Corps of Engineers played a crucial role in the execution of the project.
Lt. Col. Todd Mainwaring, commander of the Charleston District, called it a “monumental undertaking,” noting its $580 million price tag makes it the largest project ever completed in their district — second in the state only to the construction of the Ravenel Bridge.
A Powerful Boost for South Carolina’s Economy
Officials say the Port of Charleston contributes roughly $87 billion annually to South Carolina’s economy. It supports major global companies like BMW, Boeing, and Michelin, many of which use the port to export products made in the state to international markets.
Senator Graham emphasized the port’s strategic importance:
“Why do these major companies come? Because they can sell their products around the world through this port.”
The deeper harbor ensures that even during uncertain global trade cycles, South Carolina’s infrastructure remains a stable foundation for economic growth.
Next Steps: North Charleston Port Feasibility Study
Now that Charleston Harbor’s deepening is complete, attention is turning toward the Port of North Charleston, with the South Carolina Ports Authority planning a feasibility study to explore similar deepening efforts there.
Barbara Melvin, President and CEO of SC Ports Authority, said,
“In every economic cycle we’ve endured, this port, because of our infrastructure investments, will come out on the strong side of that.”
With new depth and unmatched access, Charleston Harbor is set to keep South Carolina at the forefront of international shipping for decades to come.
