▁along ▁with ▁it , ▁further ▁construction ▁of ▁the ▁bridge . ▁ ▁After ▁the ▁passing ▁of ▁the ▁Act ▁for ▁the ▁Great ▁Western ▁Railway ▁re est ab lished ▁financial ▁confidence , ▁work ▁res umed ▁in ▁ 1 8 3 6 , ▁but ▁subsequent ▁invest ment ▁proved ▁w oe fully ▁in ade qu ate . ▁Despite ▁the ▁main ▁contract ors ▁going ▁bank rupt ▁in ▁ 1 8 3 7 , ▁the ▁to wers ▁were ▁built ▁in ▁un fin ished ▁stone . ▁To ▁enable ▁the ▁transfer ▁of ▁materials , ▁a ▁ ▁iron ▁bar , ▁which ▁was ▁ ▁in ▁diameter , ▁had ▁been ▁drawn ▁by ▁cap stan ▁across ▁the ▁g orge . ▁A ▁contract ▁was ▁placed ▁with ▁Dow lais ▁Iron works ▁to ▁supply ▁ 6 0 0   tons ▁of ▁bar ▁iron , ▁which ▁was ▁to ▁be ▁transport ed ▁to ▁the ▁Co pper house ▁found ry ▁to ▁be ▁for ged ▁into ▁bar ▁ch ains . ▁By ▁ 1 8 4 3 ▁funds ▁were ▁exha usted ▁and ▁another ▁£ 3 0 , 0 0 0 ▁was ▁needed . ▁As ▁the ▁work ▁had ▁exceed ed ▁the ▁time ▁limit ▁stated ▁in ▁the ▁Act , ▁all ▁work ▁stopped . ▁Brun el ▁suggested ▁building ▁a ▁deep ▁water ▁pier ▁at ▁Port bury , ▁which ▁would ▁make ▁the ▁bridge ▁an ▁essential ▁road ▁link , ▁but ▁funds ▁for ▁this ▁scheme ▁were ▁not ▁forth coming . ▁In ▁ 1 8 5 1 , ▁the ▁iron work ▁was ▁sold ▁and ▁used ▁to ▁build ▁the ▁Brun el - des igned ▁Royal ▁Albert ▁Bridge ▁on ▁the ▁railway ▁between ▁P ly