Makasaysayang Ebolusyon ng Disenyo ng Bridge Bridge Bridge ay nagbago sa pamamagitan ng tatlong natatanging eras: 1. Pre -Industrial (Pre -1800s): - Dominance Arch Dominance (Roman aqueducts to Medieval Bridges) - Pinakamataas na Span: 40 metro (Florence's Ponte Vecchio, 1345) - Paggawa -intensive Construction: 100