, ▁was ▁retained ▁when ▁the ▁Hob hole ▁p ump ing ▁station ▁was ▁opened ▁in ▁ 1 9 5 7 . ▁Both ▁the ▁ 1 8 0 5 ▁buildings ▁and ▁those ▁from ▁the ▁ 1 8 6 7 ▁upgrade ▁were ▁retained ▁at ▁La de ▁Bank ▁when ▁the ▁new ▁p ump ing ▁station ▁was ▁built ▁in ▁ 1 9 3 8 . ▁ ▁On ▁the ▁Cow bridge ▁D rain , ▁Baker ' s ▁Bridge ▁is ▁another ▁ 3 - arch ed ▁bridge , ▁which ▁is ▁listed ▁with ▁the ▁adjacent ▁sl u ice , ▁while ▁M ast in ' s ▁Bridge ▁is ▁a ▁single - span ▁structure . ▁On ▁the ▁Ma ud ▁F oster ▁D rain , ▁Raw son ' s ▁Bridge ▁is ▁an ▁original ▁single - span ▁bridge , ▁but ▁further ▁south , ▁B arg ate ▁Bridge ▁car ries ▁the ▁A 1 6 ▁road ▁over ▁the ▁d rain ▁in ▁the ▁centre ▁of ▁Boston . ▁In ▁order ▁to ▁accommod ate ▁additional ▁traffic , ▁the ▁Department ▁of ▁Transport ▁demol ished ▁the ▁south ▁side ▁of ▁the ▁bridge ▁in ▁ 1 9 7 2 , ▁and ▁w iden ed ▁the ▁carriage way . ▁A ▁new ▁south ▁face ▁was ▁then ▁constructed , ▁using ▁the ▁original ▁materials ▁and ▁to ▁the ▁same ▁design . ▁Two ▁foot brid ges ▁surv ive , ▁built ▁of ▁cast ▁iron ▁in ▁ 1 8 1 1 ▁by ▁the ▁But ter ley ▁Works . ▁The ▁works ▁was ▁established ▁in ▁ 1 7 9 0 ▁by ▁Benjamin ▁Out ram ▁at ▁Ri ple y , ▁Derby shire . ▁One ▁is