According to the latest information available, the boat ramp named Iowa Hill Road in Placer County, California is a concrete boat ramp that is approximately 12 feet wide. It services the body of water called the North Fork American River. This boat ramp is suitable for small boats and can accommodate watercrafts up to 16 feet in length. The latest information available indicates that the boat ramp is currently open for public use. It is important to note that regulations and restrictions regarding the use of this boat ramp may change, and it is recommended to check with local authorities for the most up-to-date information before planning a trip to this location.