▁the ▁north . ▁▁ ▁The ▁bridge ▁is ▁ ▁long ▁with ▁a ▁road way ▁ ▁wide , ▁and ▁stands ▁about ▁ ▁above ▁the ▁river ▁on ▁concrete ▁ab ut ments , ▁which ▁were ▁pou red ▁over ▁rub ble ▁ab ut ments ▁of ▁earlier ▁brid ges . ▁ ▁The ▁bridge ▁deck ▁and ▁structure ▁are ▁in ▁d eter ior ating ▁condition . ▁ ▁The ▁bridge ▁was ▁built ▁by ▁the ▁city ▁in ▁ 1 9 2 7 , ▁as ▁a ▁part ▁of ▁a ▁bridge - building ▁program ▁in ▁the ▁outer ▁port ions ▁of ▁the ▁city . ▁ ▁The ▁bridge ▁was ▁constructed ▁by ▁the ▁Berlin ▁Const ruction ▁Company , ▁one ▁of ▁Connecticut ' s ▁leading ▁bridge ▁mak ers ▁of ▁the ▁early ▁ 2 0 th ▁century . ▁ ▁The ▁company ▁was ▁created ▁by ▁princip als ▁of ▁the ▁Berlin ▁Iron ▁Bridge ▁Company ▁after ▁that ▁company ▁was ▁merged ▁into ▁the ▁American ▁Bridge ▁Company , ▁and ▁continued ▁to ▁be ▁a ▁major ▁regional ▁supp lier ▁of ▁bridge ▁tr uss es ▁until ▁they ▁were ▁broad ly ▁supp l anted ▁in ▁road ▁engineering ▁practices ▁by ▁steel ▁gir der ▁brid ges . ▁ ▁The ▁bridge ▁has ▁an ▁unusual ▁combination ▁of ▁riv et ed ▁and ▁bol ted ▁joint s , ▁an ▁indic ation ▁of ▁the ▁difficulty ▁of ▁performing ▁riv eting ▁in ▁the ▁field . ▁ ▁See ▁also ▁ ▁National ▁Register ▁of ▁Historic ▁Places ▁list ings ▁in ▁M idd les ex ▁County , ▁Connecticut ▁ ▁List ▁of ▁brid ges ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Connecticut ▁ ▁References ▁ ▁External ▁links ▁ ▁St arr ▁Mill ▁Road