▁of ▁stone ▁and ▁concrete ; ▁the ▁north ▁ab ut ment ▁includes ▁a ▁large ▁gran ite ▁out c rop . ▁ ▁The ▁bridge ▁deck ▁is ▁supported ▁by ▁steel ▁I - be ams ▁installed ▁in ▁ 1 9 7 1 ▁to ▁carry ▁the ▁active ▁load . ▁ ▁The ▁bridge ▁was ▁built ▁in ▁ 1 8 9 6 , ▁one ▁of ▁the ▁last ▁known ▁to ▁be ▁built ▁in ▁the ▁ 1 9 th ▁century ▁in ▁Verm ont . ▁ ▁Its ▁construction ▁is ▁somewhat ▁unusual , ▁with ▁distinct ively ▁th icker ▁bottom ▁ch ords ▁on ▁the ▁tr uss es , ▁built ▁out ▁of ▁twelve ▁layers ▁of ▁pl ank ing . ▁ ▁See ▁also ▁▁▁▁▁▁▁▁▁ ▁List ▁of ▁covered ▁brid ges ▁in ▁Verm ont ▁ ▁National ▁Register ▁of ▁Historic ▁Places ▁list ings ▁in ▁L amo ille ▁County , ▁Verm ont ▁ ▁List ▁of ▁brid ges ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Verm ont ▁ ▁References ▁ ▁Category : Build ings ▁and ▁structures ▁in ▁Mor rist own , ▁Verm ont ▁Category : B rid ges ▁completed ▁in ▁ 1 8 9 6 ▁Category : C over ed ▁brid ges ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Verm ont ▁Category : C over ed ▁brid ges ▁in ▁Verm ont ▁Category : Que en ▁post ▁tr uss ▁brid ges ▁in ▁the ▁United ▁States ▁Category : W ood en ▁brid ges ▁in ▁Verm ont ▁Category : C over ed ▁brid ges ▁in ▁L amo ille ▁County , ▁Verm ont ▁Category : Ro ad ▁brid ges ▁in ▁Verm ont ▁Category :