INCA’s bridge and structure designs are recognized in quality throughout the transportation industry. INCA has designed more than 100 bridges, including short and long-span, segmental, movable, floating, and aerial structures for transit projects that span waterways, roadways, and railways. INCA’s bridge engineers have expertise with prestressed and post-tensioned concrete bridges, steel plate and box girders, and arch bridges. Designs include soil/structure interaction analysis; rail slip and rail break analysis for continuous welded rail; earthquake time history; and ultimate displacement capacity for resisting earthquake loads.

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