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Bellevue Access

The large steel curved box girders were erected at a busy intersection of I90 in East Seattle. The tubs were 16′ wide at the top. KWH used their four-way expandable 100 ton spreader beams to pick these girders two at a time-avoiding the need of shoring. The girders that crossed over I90 were erected during nighttime freeway closures over a single weekend. In wetland areas, the cranes were positioned on finger trestles specifically installed from lift layouts.