The preliminary design for a project to replace the Groton Long Point Road Bridge and make the structure safer and more resilient in the face of rising sea levels is under review. Consulting engineer AECOM presented a preliminary design for the bridge and causeway Tuesday to the Town Council at its Committee of the Whole meeting. The bridge is a critical piece of infrastructure, as the only vehicular bridge that connects Groton Long Point and Mumford Cove with the rest of Groton, Project Manager Andre St. Germain said. One option for funding is to apply to a program in which the federal government covers 80% of the cost and the town covers 20%, but the town also could apply to a new program, available due to the new infrastructure law, in which the federal government would cover the full cost. St. Germain presented a proposed timeline to start final design next year, complete it in 2024, and then start construction in 2025, with the goal of finishing construction in 2026.