江(jiang)西(xi)贛鄂皖(wan)路(lu)橋(qiao)(qiao)投資(zi)有限公(gong)(gong)(gong)司(si)是經江(jiang)西(xi)、湖(hu)北(bei)、安徽三(san)省人民政府批(pi)準，由三(san)省出資(zi)人參照1987年修建(jian)九江(jiang)長江(jiang)大橋(qiao)(qiao)（公(gong)(gong)(gong)路(lu)橋(qiao)(qiao)）時原(yuan)有出資(zi)比例組(zu)建(jian)的合資(zi)公(gong)(gong)(gong)司(si)。公(gong)(gong)(gong)司(si)成立于2012年，注(zhu)冊資(zi)金6000萬。2013年8月(yue)公(gong)(gong)(gong)司(si)成建(jian)制整體接收原(yuan)九江(jiang)長江(jiang)大橋(qiao)(qiao)(公(gong)(gong)(gong)路(lu)橋(qiao)(qiao))管理局(ju)管理職能、資(zi)產及(ji)人員等，對(dui)九江(jiang)長江(jiang)大橋(qiao)(qiao)公(gong)(gong)(gong)路(lu)橋(qiao)(qiao)（以下(xia)簡稱“九江(jiang)一橋(qiao)(qiao)”）進行經營管理。

九江(jiang)一(yi)橋(qiao)(qiao)(qiao)(qiao)(qiao)位于(yu)江(jiang)西、湖北(bei)、安徽三省交(jiao)界處，橫跨長(chang)江(jiang)，連(lian)接江(jiang)西九江(jiang)市和湖北(bei)黃梅縣，是(shi)京九鐵路(lu)大(da)(da)干(gan)線上的一(yi)座特大(da)(da)型公鐵兩用橋(qiao)(qiao)(qiao)(qiao)(qiao)。大(da)(da)橋(qiao)(qiao)(qiao)(qiao)(qiao)于(yu)1993年1月建(jian)成通車，鐵路(lu)橋(qiao)(qiao)(qiao)(qiao)(qiao)全長(chang)7675米，為(wei)I級(ji)雙(shuang)線鐵路(lu)；公路(lu)橋(qiao)(qiao)(qiao)(qiao)(qiao)全長(chang)4460米，為(wei)I級(ji)公路(lu)，是(shi)我(wo)國(guo)(guo)目前規模最(zui)大(da)(da)的柔性(xing)拱剛性(xing)梁(liang)連(lian)續栓(shuan)焊鋼(gang)桁梁(liang)特大(da)(da)橋(qiao)(qiao)(qiao)(qiao)(qiao)。大(da)(da)橋(qiao)(qiao)(qiao)(qiao)(qiao)橋(qiao)(qiao)(qiao)(qiao)(qiao)式新穎、輕巧、美觀、雄(xiong)偉，設計建(jian)造中有11項科技(ji)成果刷新國(guo)(guo)內外(wai)建(jian)橋(qiao)(qiao)(qiao)(qiao)(qiao)紀(ji)錄，先后(hou)榮獲(huo)國(guo)(guo)家優秀設計一(yi)等獎、國(guo)(guo)家科技(ji)進步一(yi)等獎、國(guo)(guo)家優質工程獎和中國(guo)(guo)建(jian)筑工程魯班獎，它為(wei)我(wo)國(guo)(guo)橋(qiao)(qiao)(qiao)(qiao)(qiao)梁(liang)建(jian)設豎(shu)起了第三座里程碑。

贛鄂皖路(lu)橋(qiao)(qiao)(qiao)公(gong)(gong)司于2012年(nian)啟動(dong)九江(jiang)一橋(qiao)(qiao)(qiao)加(jia)固(gu)改造工(gong)(gong)(gong)(gong)程前(qian)期工(gong)(gong)(gong)(gong)作，2014年(nian)，江(jiang)西、湖北兩省發改委正式核準立項并批復(fu)項目初步設(she)計，同時(shi)列為(wei)(wei)(wei)(wei)江(jiang)西省交通(tong)重(zhong)點工(gong)(gong)(gong)(gong)程項目。工(gong)(gong)(gong)(gong)程主(zhu)要內(nei)容為(wei)(wei)(wei)(wei)加(jia)固(gu)改造既(ji)有公(gong)(gong)路(lu)正橋(qiao)(qiao)(qiao)和引橋(qiao)(qiao)(qiao)，公(gong)(gong)路(lu)設(she)施及管(guan)線(xian)、橋(qiao)(qiao)(qiao)頭堡塔樓、收費站(zhan)、監控中心和公(gong)(gong)司管(guan)理(li)用(yong)房等，工(gong)(gong)(gong)(gong)程概算總投資(zi)11億元(yuan)。2015年(nian)6月23日，大(da)橋(qiao)(qiao)(qiao)加(jia)固(gu)改造工(gong)(gong)(gong)(gong)程正式開工(gong)(gong)(gong)(gong)，建(jian)設(she)工(gong)(gong)(gong)(gong)期為(wei)(wei)(wei)(wei)42個月。改造后(hou)設(she)計行車速度60km/h，汽車荷載等級(ji)為(wei)(wei)(wei)(wei)公(gong)(gong)路(lu)-Ⅰ級(ji)。2018年(nian)底，大(da)橋(qiao)(qiao)(qiao)加(jia)固(gu)改造工(gong)(gong)(gong)(gong)程將竣工(gong)(gong)(gong)(gong)通(tong)車，公(gong)(gong)司全面轉(zhuan)入運營管(guan)理(li)時(shi)期，屆(jie)時(shi)九江(jiang)一橋(qiao)(qiao)(qiao)將以嶄新(xin)的(de)面貌呈現在世(shi)人面前(qian)。