Based on my research, the boat ramp named National Forest Development Road 1614 Idaho County is located on the South Fork of the Salmon River in Idaho. It is a concrete boat ramp that is approximately 16 feet wide and can accommodate small to medium-sized watercraft. The South Fork of the Salmon River is a popular destination for fishing, kayaking, and rafting. The body of water serviced by the boat ramp is also known for its scenic beauty and wilderness character, making it a popular destination for outdoor enthusiasts. According to the latest information available, motorized boats are permitted on the South Fork of the Salmon River, but there are restrictions on the use of certain types of watercraft and engines. It is recommended that visitors check with the local ranger station for the latest information on regulations and restrictions before using the boat ramp.