美国1981年建造的跨度在100m以上的桥梁有以下儿座.亚拉巴马一多芬岛A一abama一Dauph诬n Island谋比耳河.亚拉巴马Mobile R.:1场S,Moblle,Ala.加斯提纳梅峡,阿拉斯加Juneau,^laska oastineau Channel俄亥俄河,肯塔签,阿希兰oh沁R.;人shland ky..口西比河,路肠斯安纳格拉梅西栈? The U.S. bridge built over the span of 100m in 1981 has the following seat: Alabama-Dauphin Island A-abama-Dauph framed n Island for the River Biar. Alabama Mobile R. 1: S, Moblle, Ala Gastiname Gorge, Alaska Juneau, ^ laska oastineau Channel Ohio River, Kentucky sign, Ashland oh qin R .;