According to the Tennessee Wildlife Resources Agency (TWRA) website, the boat ramp named South Cannon Boulevard 325 is located on the eastern shore of Normandy Lake in Shelbyville, Tennessee. It is a concrete boat ramp that is suitable for launching small to medium-sized boats. The width of the ramp is not specified on the TWRA website.

Normandy Lake is a reservoir on the Duck River in southern middle Tennessee. It covers an area of approximately 2,500 acres and has over 100 miles of shoreline. The lake is operated by the Tennessee Valley Authority (TVA) and is popular for fishing, boating, and other recreational activities.

According to the TWRA website, the following types of watercraft are permitted on Normandy Lake:

- Motorized boats
- Non-motorized boats (such as canoes and kayaks)
- Sailboats
- Personal watercraft (such as jet skis)

It is important to note that there may be specific rules and regulations regarding the use of certain types of watercraft on Normandy Lake, so it is recommended to check with the TWRA or TVA for the most up-to-date information.

Overall, the South Cannon Boulevard 325 boat ramp appears to be a suitable option for launching small to medium-sized boats on Normandy Lake.