说明：
苏通(tong)(tong)(tong)大(da)(da)桥(qiao)位于江(jiang)苏省(sheng)东部(bu)的南通(tong)(tong)(tong)市和苏州（常(chang)熟）市之间(jian)，是(shi)交通(tong)(tong)(tong)部(bu)规划的沈阳至海口国家重点干线(xian)公(gong)路跨越(yue)长(zhang)江(jiang)的重要(yao)通(tong)(tong)(tong)道(dao)，也(ye)是(shi)江(jiang)苏省(sheng)公(gong)路主骨架网“纵一”——赣榆至吴(wu)江(jiang)高速公(gong)路的重要(yao)组成(cheng)部(bu)分，是(shi)我国建(jian)桥(qiao)史上工程规模最大(da)(da)、综合建(jian)设条件最复杂的特大(da)(da)型桥(qiao)梁工程。建(jian)设苏通(tong)(tong)(tong)大(da)(da)桥(qiao)对(dui)完(wan)善(shan)国家和江(jiang)苏省(sheng)干线(xian)公(gong)路网、促(cu)进区域均衡发展以及沿江(jiang)整(zheng)体(ti)开发，改善(shan)长(zhang)江(jiang)安全航运(yun)条件、缓解过(guo)江(jiang)交通(tong)(tong)(tong)压力等具有十分重要(yao)的意(yi)义(yi)。