After conducting an online search, I could not find any information about a boat ramp named Brighton in Colorado with the given latitude and longitude coordinates. However, there is a Brighton Boat Ramp located in the Barr Lake State Park in Brighton, Colorado (latitude: 39.9575, longitude: -104.7772).

The Brighton Boat Ramp is a concrete, double-lane boat ramp with a maximum width of 26 feet. It services Barr Lake, which is a 1,900-acre reservoir in Adams County, Colorado. Barr Lake allows motorized boats with a maximum horsepower of 10 and non-motorized boats like canoes, kayaks, and paddleboards.

The Colorado Parks and Wildlife Department manages the Barr Lake State Park, and they provide up-to-date information about the park and its facilities. It is always recommended to check the park's website or contact them before visiting to get the latest information.