Based on the available information, the boat ramp named Crescent Park Drive Lake View in Iowa is a public boat ramp that offers access to Black Hawk Lake. It is located at latitude 42.30694199 and longitude -95.04389954.

The width of the boat ramp is not specified in the available information. However, it is likely to be wide enough to accommodate different types of watercraft, including boats, kayaks, and canoes.

Black Hawk Lake is a popular recreational area that offers opportunities for boating, fishing, and swimming. The lake covers an area of about 957 acres and has a maximum depth of 20 feet. It is home to a variety of fish species, including bluegill, crappie, largemouth bass, and walleye.

According to the Iowa Department of Natural Resources, motorized boats are permitted on Black Hawk Lake, but they are subject to a 5 mph speed limit. Non-motorized watercraft, such as kayaks and canoes, are also allowed on the lake.

It is important to note that the information provided is accurate as of the time of writing. However, it is always advisable to check for any updates or changes before using the boat ramp or accessing the lake.