作为我国北方盐冻地区修建的第一座特大型海上桥梁集群工程,山东高速胶州湾大桥既有海上航道桥、海上非通航孔桥,又有陆上引桥和互通立交桥,特别是红岛互通立交桥为我国首座海上互通立交桥,其设计科学,造型独特,国内外尚无同等类型桥型结构。但这并非是这座大桥唯一的首创亮点,细数起来,胶州湾大桥的建设创造了如下几个方面的“第一”: As the first large-scale offshore bridge cluster project built in the salt-frost area in northern China, the Jiaozhou Bay Bridge in Shandong Expressway has both the seaway bridge and the non-navigable bridge at sea and the land approach bridge and interchange, especially the Hongdao interchange As China’s first maritime interchange, its design science, unique shape, there is no similar type of bridge structure at home and abroad. But this is not the only bright spot of the bridge. Counting down, the construction of the Jiaozhou Bay Bridge has created the following “firsts”: