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古代建筑多為一座，兩座拱形石橋。石橋，即用石料建造的橋梁。有石梁橋和石拱橋，歷史都很悠久。中國歷史上著名的石梁橋有洛陽和虎渡橋。由于石梁抗彎能力較差，現已只能在人行橋或涵洞中使用。石拱橋不僅在歷史上有過輝煌成就，在現代鐵路和公路橋上也發揮一定作用。
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