The Lewis and Clark Trail boat ramp is located in Lemhi County, Idaho, at latitude 45.31154633 and longitude -113.90688324. It is a concrete boat ramp that provides easy access to the water for boaters and fishermen. The boat ramp is 20 feet wide, which is wide enough for most boats to launch and retrieve without any problems.

The boat ramp provides access to the Salmon River, which is a popular spot for fishing and boating in Idaho. The river is known for its scenic beauty and is home to a variety of fish species, including salmon, trout, and steelhead.

The Lewis and Clark Trail boat ramp is suitable for a range of watercraft, including boats, canoes, kayaks, and rafts. However, it is important to note that motorized boats are subject to certain size and horsepower restrictions on the Salmon River. These restrictions vary depending on the specific section of the river, so it is important to check with local authorities before launching a motorized boat.

Based on the latest information available, the Lewis and Clark Trail boat ramp is well-maintained and in good condition. It provides easy access to a beautiful and popular stretch of the Salmon River, and is a great spot for fishing, boating, and other water-based activities in Idaho.