Charleston Harbor Deepening: $580M Project Completion

Charleston Harbor Deepening Project, a $580 million harbor improvement, is complete. Final federal reimbursements received, boosting port efficiency.

Charleston Harbor Deepening: $580M Project Completion
September 6, 2025 7:25 am
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Introduction

The South Carolina Ports Authority (SC Ports) has received the final $21.28 million in federal reimbursements for the Charleston Harbor Deepening Project, completing the $580 million project that made Charleston Harbor the deepest harbor on the U.S. East Coast.

Project Completion

The U.S. Army Corps of Engineers Charleston District disbursed the final allocation as part of its fiscal-year 2025 work plan. The project formally concluded with this funding milestone.

Project Scope and Impact

The Charleston Harbor Deepening Project, which reached a depth of 52 feet, involved moving over 40 million cubic yards of materials. According to SC Ports, the project has enhanced the port’s competitiveness by eliminating tidal restrictions, thus enabling larger container ships to access the port at any time and improving operational efficiency.

Timeline and Funding

Planning for the project began in 2011, with construction commencing in 2018 and concluding in 2023. The project was funded by both state and federal sources.

Leadership Commentary

SC Ports President and CEO Barbara Melvin noted that infrastructure projects like the Harbor Deepening Project necessitate collaboration with state and federal leaders.

Last June 2025, we covered Norfolk Southern’s impressive Chesapeake Bay restoration project. Click here to read – NS Sets Record: Rail Innovation, Chesapeake Bay Restoration Guide

Conclusion

The Charleston Harbor Deepening Project is now complete, with SC Ports receiving the final federal reimbursements. The project, which cost $580 million and took several years, increased the harbor’s depth to 52 feet and involved moving over 40 million cubic yards of material.

Company Summary

South Carolina Ports Authority (SC Ports): A port authority responsible for the operation and development of port facilities in South Carolina, including the Charleston Harbor.

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