Based on the latest available information, the boat ramp named US 50 Gunnison County is a concrete boat ramp located at Latitude 38.47997665 and Longitude -107.1092453 in Colorado, USA. The ramp is reportedly wide enough to accommodate various types of watercraft, including small boats, kayaks, canoes, and fishing boats. However, there is no specific information on the width of the ramp available.

The boat ramp is situated on the Gunnison River, which is a popular destination for fishing and boating activities in the region. The river is known for its excellent trout fishing, scenic beauty, and diverse wildlife. It is also a popular spot for white water rafting during the spring and early summer.

As for the types of watercraft permitted on the water, it is likely that motorized boats are allowed on the river, but there may be restrictions depending on the time of year and specific sections of the river. It is advisable to check with local authorities for the most up-to-date information on boating regulations and restrictions.

In conclusion, the US 50 Gunnison County boat ramp is a concrete ramp located on the Gunnison River in Colorado, which can accommodate various types of watercraft. To ensure accurate information on boating regulations and restrictions, it is recommended to consult local authorities before launching any watercraft.