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At the San Joaquin River Viaduct, workers have completed concrete pours for much of the pergola deck that will carry high-speed trains over the existing rail line (above). On the south bank of the San Joaquin River, crews are finishing up construction of the remaining support columns, while on the north bank of the river (below), the final pier cap has been poured. The cast-in-place construction of the deck is progressing and will follow with the completion of the pier caps, tying all the individual components of the structure together. The completed viaduct will form one of the largest structures on this first phase of the high-speed rail project.