▁main ▁s ights . ▁The ▁road ▁bridge ▁was ▁the ▁first ▁one ▁to ▁be ▁constructed , ▁between ▁ 1 8 5 1 ▁and ▁ 1 8 5 7 . ▁At ▁the ▁time , ▁with ▁its ▁ 8 3 7 ▁metres ’ ▁length , ▁it ▁was ▁one ▁of ▁the ▁longest ▁brid ges ▁in ▁the ▁world . ▁Origin ally , ▁the ▁bridge ▁had ▁ten ▁to wers ▁and ▁two ▁gate ways ▁– ▁today ▁only ▁four ▁to wers ▁remain . ▁The ▁other , ▁railway ▁bridge , ▁was ▁built ▁between ▁ 1 8 8 8 ▁and ▁ 1 8 9 0 , ▁when ▁one ▁bridge ▁was ▁no ▁longer ▁sufficient . ▁On ▁ 1 ▁September ▁ 1 9 3 9 ▁at ▁ 5 : 3 0 AM , ▁the ▁brid ges ▁were ▁destroyed ▁by ▁Polish ▁sa ppers ▁in ▁order ▁to ▁prevent ▁the ▁German ▁Army ▁from ▁accessing ▁the ▁city ▁from ▁the ▁other ▁side ▁of ▁the ▁V ist ula ▁River . ▁The ▁brid ges ▁were ▁re built ▁in ▁ 1 9 4 0 ▁and ▁destroyed ▁again ▁in ▁ 1 9 4 5 ▁by ▁the ▁Germ ans . ▁The ▁final ▁reconst ruction ▁of ▁the ▁brid ges ▁took ▁place ▁between ▁ 1 9 5 8 ▁and ▁ 1 9 5 9 . ▁Museum ▁of ▁the ▁V ist ula ▁River ▁– ▁situated ▁by ▁ 3 0 ▁St ycz nia ▁street , ▁in ▁the ▁pre - war ▁agricult ural ▁machine ▁factory ▁where ▁during ▁World ▁War ▁II , ▁the ▁Naz i ▁trans itional ▁camp ▁for ▁the ▁people ▁of ▁T cz ew ▁was ▁located . ▁Then , ▁the