According to the latest information available, the boat ramp named I 70 Clay County in Indiana is located at latitude 39.45487213 and longitude -87.19480133. It is a concrete boat ramp that is situated on the south side of Interstate 70, near the westbound rest area in Clay County.

The boat ramp is relatively wide, with enough space for several boats to launch and retrieve at the same time. The ramp is also equipped with ample parking space, which can accommodate a significant number of vehicles and boat trailers.

The I 70 Clay County boat ramp services the Big Raccoon Creek, which is a tributary of the Wabash River. The creek is approximately 55.8 miles long, and it flows through several counties in Indiana, including Putnam, Clay, and Parke.

Regarding the kind of craft permitted on the water, the latest information suggests that the ramp is suitable for launching motorized boats, kayaks, canoes, and other non-powered watercraft. However, it is advisable to check the latest regulations and guidelines on boating restrictions and safety before launching any watercraft.

In conclusion, the I 70 Clay County boat ramp in Indiana is a concrete ramp that services the Big Raccoon Creek. It is wide enough to accommodate several boats at a time and has ample parking space. The ramp is suitable for launching motorized and non-powered watercraft.