C.J. Mahan Construction Company Marine Structure Projects

• GIWW Sector Gate
• Renovation of Kentucky River Lock and Dam #9
• Charleroi Lock and Dam
• Chickamauga Lock
• Kentucky Dam Lock Addition: Bridges Substructures
• Olmsted Lock and Dam Major Rehabilitation
• Jefferson Lakefront Pumping Stations 1-4
• Indian Lake Spillway Replacement
• Inner Harbor Navigation Lake Borgne Surge Barrier, North and South T-Walls
• Kentucky Dam Lock Addition: Upstream Cofferdam
• Kentucky Dam Miter Gate Install
• Renovation of Kentucky River Lock and Dam #8
• Markland Lock and Dam Tainter Gate Repairs
• Marathon Petroleum Ohio River Dock Expansion and Upgrade
• Marathon Petroleum Bordeaux Marine Dock
• Montgomery Lock and Dam Gate Installation
• Ohio River Lock and Dam #53/#52 Dam Wicket Replacement
• O’Shaughnessy Dam Bridge Replacement Project