Kiev bridges
...that the longest of the Kiev bridges, the 1,543 metres long Paton Bridge over the Dnieper River, constructed in 1953 was the first fully welded steel construction of such length at that time?
...that the longest of the <b id="mwAtY"><a class="mw-redirect" href="./Kiev_bridges" id="mwAtc" rel="mw:WikiLink" title="Kiev bridges">Kiev bridges</a></b>, the 1,543 metres long Paton Bridge over the <a class="mw-redirect" href="./Dnieper_River" id="mwAtg" rel="mw:WikiLink" title="Dnieper River">Dnieper River</a>, constructed in <a href="./1953" id="mwAtk" rel="mw:WikiLink" title="1953">1953</a> was the first fully <a href="./Welding" id="mwAto" rel="mw:WikiLink" title="Welding">welded</a> steel construction of such length at that time?