3 Bridges Raft Rental is located three miles south of Sullivan and offers unrivaled, scenic float trips on high quality rafts, canoes, and kayaks. Rafts are the most popular choice for floating, especially for families, because they are extremely stable and comfortable for leisurely floaters. Kayaks and canoes are perfect for the more adventurous individual, fisherman, or small groups. Whether you choose a raft, kayak, or canoe you will be able to enjoy the beauty and serenity of the Meramec River.