Based on the information available, Bruin Lake boat ramp is located in Washtenaw County, Michigan. It is a public boat ramp that provides access to the 136-acre Bruin Lake. The coordinates of the ramp are latitude: 42.42214203, longitude: -84.0408783.

The width of the boat ramp is not specified, but it is designed to accommodate most types of watercraft. The lake is open to a variety of boats, including canoes, kayaks, motorboats, fishing boats, and pontoon boats. However, there may be restrictions on the size and horsepower of the motorboats allowed on the lake.

Bruin Lake is part of the Pinckney State Recreation Area, which offers a range of outdoor recreational activities, including fishing, boating, camping, hiking, and wildlife viewing. The lake is stocked with a variety of fish, including largemouth bass, bluegill, and northern pike.

To ensure accuracy, it is recommended to check the latest information available from the Michigan Department of Natural Resources or Pinckney State Recreation Area before visiting Bruin Lake boat ramp.