▁Mississippi , ▁replacing ▁the ▁MS ▁ 2 4 ▁and ▁MS ▁ 1 5 ▁design ations ▁on ▁what ▁is ▁now ▁MS ▁ 1 9 8 . ▁ ▁By ▁ 1 9 7 3 , ▁the ▁road ▁by pass ed ▁Columbia . ▁In ▁ 1 9 8 4 , ▁US ▁ 9 8 ▁was ▁rout ed ▁to ▁by pass ▁H att ies burg ▁on ▁I - 5 9 ▁and ▁a ▁new ▁fre ew ay . ▁A ▁by pass ▁to ▁the ▁north ▁of ▁T yl ert own ▁was ▁built ▁for ▁US ▁ 9 8 ▁in ▁ 1 9 8 5 . ▁US ▁ 9 8 ▁was ▁moved ▁to ▁a ▁new ▁alignment ▁to ▁by pass ▁Lu ced ale ▁in ▁ 1 9 8 8 . ▁In ▁ 1 9 9 6 , ▁US ▁ 9 8 ▁was ▁rout ed ▁out ▁of ▁Be aum ont ▁and ▁Mc L ain ▁as ▁a ▁result ▁of ▁the ▁construction ▁of ▁a ▁new ▁alignment ▁on ▁a ▁divided ▁highway . ▁By   1 9 9 8 , ▁MS   1 9 8 ▁was ▁marked ▁on ▁the ▁six ▁former ▁align ments ▁of ▁US ▁ 9 8 ▁in ▁T yl ert own , ▁Columbia , ▁H att ies burg , ▁Be aum ont , ▁Mc L ain , ▁and ▁Lu ced ale . ▁In ▁ 2 0 0 5 , ▁the ▁eastern ▁termin us ▁of ▁the ▁Mc L ain ▁section ▁of ▁MS ▁ 1 9 8 ▁was ▁trunc ated ▁from ▁US ▁ 9 8 ▁to ▁MS ▁ 5 7 ▁due ▁to ▁the ▁closing , ▁and ▁subsequent