div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentthe-ends-of-prefabricated-steel-box-girder-needle-beams-which-were-installed-throughhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · the ends of prefabricated steel box girder needle beams which were installed through each opening Main bowstring girders manufactured and trial-assembled in Darlington were welded loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220420175e75b8b6dd43027ab305840fhtml5thumbnails1jpg width=140 height=200 divdiv