The Mackinac Bridge is five miles long and crosses the Straits of Mackinac, connecting the upper and lower peninsulas of Michigan. It is the longest suspension bridge in North America.
Definition of plinth. 1a : the lowest member of a base : subbaseb : a block upon which the moldings of an architrave or trim are stopped at the bottom. 2 : a usually square block serving as a base; broadly : any of various bases or lower parts.
The term `Plinth Area' refers to the entire carpet area along with the thickness of the external walls of the apartment. It obviously includes the thickness of the internal walls and the columns, if any, lying within the four walls of an apartment.