▁Vi ad uct ) ▁is ▁a ▁ ▁vi ad uct ▁on ▁the ▁former ▁B irmingham ▁and ▁Derby ▁J unction ▁Railway ▁ ▁line ▁near ▁Wy chn or , ▁Staff ord shire , ▁England ▁now ▁part ▁of ▁the ▁Cross ▁Country ▁Route . ▁ ▁Const ruction ▁ ▁It ▁was ▁built ▁in ▁tim ber ▁by ▁the ▁B irmingham ▁and ▁Derby ▁J unction ▁Railway ▁as ▁Cro x all ▁Vi ad uct ▁to ▁cross ▁the ▁River ▁Tr ent ▁and ▁the ▁River ▁T ame ▁at ▁Wy chn or , ▁Staff ord shire . ▁There ▁were ▁ 5 2 ▁b ays ▁of ▁ ▁span ▁each . ▁The ▁contract ▁was ▁let ▁in ▁March ▁ 1 8 3 8 ▁and ▁it ▁was ▁built ▁in ▁just ▁over ▁ 1 ▁year . ▁Pass enger ▁services ▁began ▁on ▁ 1 2 ▁August ▁ 1 8 3 9 . ▁ ▁The ▁wooden ▁vi ad uct ▁was ▁re built ▁in ▁wr ought ▁iron ▁in ▁ 1 8 7 9 . ▁▁ ▁In ▁the ▁ 1 9 3 0 s , ▁this ▁was ▁replaced ▁with ▁a ▁steel ▁construction ▁by ▁E . H . ▁Dar by , ▁the ▁London , ▁Mid land ▁and ▁Scottish ▁Railway ▁divis ional ▁engineer ▁from ▁Derby ▁using ▁ ▁of ▁new ▁steel , ▁with ▁over ▁ ▁of ▁steel ▁from ▁existing ▁g ird ers ▁being ▁re - used . ▁A ▁concrete ▁plant ▁and ▁dep ot ▁was ▁installed ▁at ▁one ▁end ▁of ▁the ▁vi ad uct ▁with ▁temporary ▁track ▁laid ▁to ▁carry ▁the ▁concrete ▁to ▁the ▁working ▁points . ▁ ▁of ▁concrete ▁were ▁laid ▁for ▁the ▁floor , ▁we