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美国密西西比河的伊利诺斯桥荣获了美国钢结构协会(AISC)1989年度桥梁竞赛中的长跨奖。该桥长1372m,引桥2134m,主桥跨径为134+900+134(m),净空高18.3m,是美国第一座使用叠合钢梁和混凝土桥面板结构建成的斜拉桥。该桥斜拉索为平行的七丝钢铰线,共计56根,分别由18～61根钢铰线组成。拉索外包聚乙烯套管,套管和拉索间充填混凝土砂浆。塔柱为就地浇筑的钢筋混凝土,用以锚固
The Illinois Bridge on the Mississippi River, USA won the Long March Award at the 1989 American Bridge Race at the American Institute of Steel Construction (AISC). The bridge is 1372m long, with 2134m approach bridge, 134 + 900 + 134 (m) span of the main bridge and 18.3m headroom. It is the first cable-stayed bridge in the United States to be constructed using laminated steel beams and concrete bridge deck structures. The cable stayed bridge parallel to the seven wire steel hinge line, a total of 56, respectively, from 18 to 61 steel hinge line. Cable outsourcing polyethylene casing, casing and cable between the filling of concrete mortar. Tower pillars are cast-in-place reinforced concrete for anchoring