https://www.acppubs.com/WB/article/1D76CC7F-r-m-piper-inc-replaces-deteriorating-conway-bridge-in-tight-work-space
R.M. Piper Inc. Replaces Deteriorating Conway Bridge in Tight Work Space - Western Builder
In Phase 3, girders 6 and 7 are hoisted in place on the abutments, with the help of the modified cross frames that allow girder 6 to be connected to girder 5,...
r mconway bridgein tightwork spacepiper