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Column Removal. Worker uses a torch to cut the spiral rebar around the columns to remove concrete from columns on pontoons R, S and T. February 2007.Just Pontoons. Road deck and column removal is complete for pontoons R, S and T. Next, crews will build new superstructure and roadway to match the new east-half of the Hood Canal Bridge. March 2007.Crossbeam. Crews place concrete for a crossbeam as part of the superstructure on pontoons R, S and T. April 2007.New Columns. Crews secure steel forms for new columns on pontoons R, S and T. April 2007.<< Assembly Photos