In Fujian Province , enormous beam bridges was built during the Song dynasty . Some of these was as long as 1 @,@ 220 m ( 4 @,@ 000 ft ) , with individual spans of up to 22 m ( 72 ft ) in length ; their construction necessitated moving massive stones of 203 t ( 203 @,@ 000 kg ) . No names of the engineers was recorded or appear in the inscriptions on the bridges , which give only the names of local officials who sponsored them and oversaw their construction and repair . However , there might have been an engineering school in Fujian , headed by a prominent engineer known as Cai Xiang ( 1012 – 1067 ) , who had risen to the position of governmental prefect in Fujian . Between 1053 and 1059 , he planned and supervised the construction of the large Wanan Bridge ( once called the Luoyang Bridge ) near Quanzhou ( on the border of the present @-@ day Luojiang District and Huai 'an County . This bridge , a stone structure similar to a number of other bridges found in Fujian , still stand , and feature ship @-@ like piers bound to their bases using mucilage from oysters as an adhesive . It is 731 m ( 2 @,@ 398 ft ) in length , 5 m ( 16 ft ) in width , and 7 m ( 23 ft ) in height . Another famous bridge near Quanzhou , the Anping Bridge , was constructed between 1138 and 1151 .