Based on the latest information available, the Crutcher Crossing boat ramp in Idaho is a concrete boat ramp that is reported to be in good condition. The ramp is approximately 15 feet wide, which should allow for easy access and egress for most watercraft.

The body of water that the Crutcher Crossing boat ramp services is the Snake River, specifically the section that flows through Idaho. The Snake River is a popular recreational waterway for boating, fishing, and other water activities.

As for the types of watercraft permitted on the Snake River, that can vary depending on the specific section of the river and the regulations in place. However, in general, the Snake River is open to a wide variety of boats and watercraft, including powerboats, jet skis, kayaks, canoes, and more.

In summary, the Crutcher Crossing boat ramp in Idaho is a well-maintained concrete ramp that is approximately 15 feet wide. It services the Snake River, which is open to a variety of watercraft, including powerboats, jet skis, kayaks, and canoes.