High Quality Content by WIKIPEDIA articles! Whitton Bridge Pasture is a Site of Special Scientific Interest (SSSI) in the unitary authority of Stockton-on-Tees, England. At 3.18 hectares (7.9 acres) it lies to the south of Whitton village and north west of Stockton-on-Tees. SSSIs are chosen by Natural England, and Whitton Bridge Pasture was designated in 2004 because of its biological interest. It is one of 18 SSSIs in the Cleveland area of search.