▁SR   3 9 , ▁at ▁the ▁north west ▁corner ▁of ▁Sem in ole ▁State ▁Park . ▁It ▁runs ▁n ortheast ▁until ▁it ▁intersect s ▁SR   3 7 4 . ▁SR   2 5 3 ▁continues ▁heading ▁n ortheast , ▁past ▁Reyn olds ville ▁State ▁Park , ▁into ▁Dec atur ▁County , ▁and ▁over ▁a ▁northern ▁branch ▁of ▁Lake ▁Sem in ole , ▁until ▁it ▁meets ▁SR   3 1 0 ▁( Y ates ▁Spring ▁Road ). ▁The ▁highway ▁continues ▁its ▁n ortheast ▁tre k ▁until ▁it ▁enters ▁B ain bridge . ▁ ▁In ▁B ain bridge , ▁it ▁meets ▁SR   2 5 3 ▁Sp ur ▁( A ir port ▁Road ), ▁before ▁it ▁cross es ▁under ▁US   2 7 / US   8 4 / SR   1 / SR   3 8 ▁( W ire gr ass ▁Georgia ▁Park way ). ▁Far ther ▁to ▁the ▁n ortheast ▁is ▁a ▁short ▁conc urrency ▁with ▁US   2 7 ▁Business / SR   1 ▁Business ▁( D oth an ▁Road ). ▁The ▁route ▁then ▁leaves ▁the ▁city ▁to ▁continue ▁to ▁the ▁n ortheast , ▁passing ▁through ▁rural ▁areas , ▁and ▁crossing ▁into ▁Baker ▁County , ▁before ▁meeting ▁its ▁northern ▁termin us , ▁an ▁intersection ▁with ▁SR   9 1 , ▁south west ▁of ▁Newton . ▁ ▁SR   2 5 3 ▁is ▁not ▁part ▁of ▁the ▁National ▁Highway ▁System , ▁a ▁system ▁of ▁road ways ▁important ▁to ▁the ▁nation ' s ▁economy , ▁defense , ▁and ▁mob ility . ▁