▁£ 8 , 0 0 0 , ▁but ▁it ▁was ▁estimated ▁that ▁a ▁stone ▁bridge ▁would ▁cost ▁over ▁ten ▁times ▁that . ▁A ▁competition ▁was ▁held ▁to ▁find ▁a ▁design ▁for ▁the ▁bridge ▁with ▁a ▁prize ▁of ▁ 1 0 0 ▁gu ine as . ▁Ent ries ▁were ▁received ▁from ▁ 2 2 ▁design ers , ▁including ▁Samuel ▁Brown , ▁James ▁M ead ows ▁R end el , ▁William ▁Tier ney ▁Clark ▁and ▁William ▁Haz led ine . ▁Several ▁were ▁for ▁stone ▁brid ges ▁and ▁had ▁estimated ▁costs ▁of ▁between ▁£ 3 0 , 0 0 0 ▁and ▁£ 9 3 , 0 0 0 . ▁Brun el ▁submitted ▁four ▁entries . ▁The ▁jud ging ▁committee ▁rejected ▁ 1 7 ▁of ▁the ▁ 2 2 ▁plans ▁submitted , ▁on ▁the ▁grounds ▁of ▁appearance ▁or ▁cost . ▁They ▁then ▁called ▁in ▁Scottish ▁civil ▁engineer ▁Thomas ▁T elf ord ▁to ▁make ▁a ▁final ▁selection ▁from ▁the ▁five ▁remaining ▁entries . ▁T elf ord ▁rejected ▁all ▁the ▁remaining ▁designs , ▁arg uing ▁that ▁ ▁was ▁the ▁maximum ▁possible ▁span . ▁T elf ord ▁was ▁then ▁asked ▁to ▁produce ▁a ▁design ▁himself , ▁which ▁he ▁did , ▁propos ing ▁a ▁ ▁susp ension ▁bridge , ▁supported ▁on ▁tall ▁Goth ic ▁to wers , ▁cost ing ▁£ 5 2 , 0 0 0 . ▁ ▁An ▁Act ▁of ▁Parliament ▁was ▁passed ▁to ▁allow ▁a ▁wr ought ▁iron ▁susp ension ▁bridge ▁to ▁be ▁built ▁instead ▁of ▁stone , ▁and ▁to ll s ▁lev ied ▁to ▁rec oup ▁the ▁cost