鄭(zheng)新黃河(he)大橋(原(yuan)鄭(zheng)州(zhou)黃河(he)公鐵兩用(yong)橋)是鄭(zheng)州(zhou)至(zhi)新鄉G107復線工程(cheng)及京廣鐵路客運專線跨越黃河(he)的(de)共用(yong)特大橋梁,橋位距(ju)上游鄭(zheng)州(zhou)黃河(he)公路大橋約7km。
鄭(zheng)新(xin)黃河(he)(he)(he)大(da)(da)橋(qiao)(qiao)(qiao)(原(yuan)(yuan)鄭(zheng)州(zhou)(zhou)黃河(he)(he)(he)公(gong)(gong)(gong)鐵(tie)(tie)兩(liang)用橋(qiao)(qiao)(qiao))是(shi)鄭(zheng)州(zhou)(zhou)至新(xin)鄉G107復線工程及京(jing)廣鐵(tie)(tie)路(lu)客運專線跨越(yue)黃河(he)(he)(he)的(de)共用特大(da)(da)橋(qiao)(qiao)(qiao)梁(liang),橋(qiao)(qiao)(qiao)位距上游鄭(zheng)州(zhou)(zhou)黃河(he)(he)(he)公(gong)(gong)(gong)路(lu)大(da)(da)橋(qiao)(qiao)(qiao)約(yue)7km。公(gong)(gong)(gong)路(lu)北連(lian)接線起(qi)點在原(yuan)(yuan)陽(yang)縣祝樓鄉閻莊(zhuang)南同G107順(shun)接,向南經(jing)原(yuan)(yuan)陽(yang)縣原(yuan)(yuan)武鎮與(yu)鄭(zheng)焦晉高速相(xiang)交,設(she)(she)互通(tong)立交1座,然(ran)后(hou)以預應(ying)力砼連(lian)續箱(xiang)梁(liang)跨越(yue)黃河(he)(he)(he)北大(da)(da)堤(di),跨黃河(he)(he)(he)部(bu)分(fen)為公(gong)(gong)(gong)鐵(tie)(tie)合建(jian)大(da)(da)橋(qiao)(qiao)(qiao),公(gong)(gong)(gong)鐵(tie)(tie)合建(jian)長(chang)9.177km。公(gong)(gong)(gong)路(lu)經(jing)鄭(zheng)州(zhou)(zhou)市惠(hui)濟區申莊(zhuang)村西側與(yu)規劃(hua)的(de)北四環相(xiang)交設(she)(she)互通(tong)立交1座,終(zhong)點位于鄭(zheng)州(zhou)(zhou)市金水區小(xiao)賀莊(zhuang)接G107輔(fu)道。公(gong)(gong)(gong)路(lu)部(bu)分(fen)全長(chang)11.646公(gong)(gong)(gong)里,公(gong)(gong)(gong)鐵(tie)(tie)合建(jian)長(chang)度(du)為9.177公(gong)(gong)(gong)里。目前是(shi)黃河(he)(he)(he)上較(jiao)長(chang),也是(shi)河(he)(he)(he)南省境內(nei)特大(da)(da)型公(gong)(gong)(gong)鐵(tie)(tie)兩(liang)用橋(qiao)(qiao)(qiao),公(gong)(gong)(gong)路(lu)部(bu)分(fen)設(she)(she)計荷載標準為標準公(gong)(gong)(gong)路(lu)一(yi)級的(de)1.3倍,設(she)(she)計時速為每小(xiao)時一(yi)百(bai)公(gong)(gong)(gong)里。
鄭新黃(huang)(huang)河大橋(qiao)(qiao)(qiao)(qiao)按照一級公(gong)路(lu)標(biao)準設(she)計,雙向六車道布(bu)置,采用瀝青混(hun)凝土(tu)路(lu)面。其中,公(gong)鐵(tie)合(he)建的(de)鄭州黃(huang)(huang)河公(gong)鐵(tie)兩用橋(qiao)(qiao)(qiao)(qiao)是目前世(shi)界上(shang)(shang)較長的(de)公(gong)鐵(tie)兩用橋(qiao)(qiao)(qiao)(qiao),合(he)建部分長9177米;也是世(shi)界上(shang)(shang)設(she)計標(biao)準較高的(de)公(gong)鐵(tie)兩用橋(qiao)(qiao)(qiao)(qiao),鐵(tie)路(lu)設(she)計速(su)度(du)(du)350公(gong)里/小時(shi),公(gong)路(lu)設(she)計速(su)度(du)(du)100公(gong)里/小時(shi),荷(he)載為國(guo)家標(biao)準的(de)1.3倍。該橋(qiao)(qiao)(qiao)(qiao)結構形式新,三主(zhu)桁(heng)、斜邊桁(heng)主(zhu)梁(liang)設(she)計為世(shi)界采用,以滿足(zu)橋(qiao)(qiao)(qiao)(qiao)面上(shang)(shang)寬下窄的(de)要求;大橋(qiao)(qiao)(qiao)(qiao)施工方法新,主(zhu)橋(qiao)(qiao)(qiao)(qiao)鋼梁(liang)采用多點(dian)同步拖拉架設(she)技術。
鄭(zheng)新(xin)黃(huang)河(he)大(da)橋(qiao)項目(mu)的建(jian)設,對(dui)緩解107國道鄭(zheng)州(zhou)黃(huang)河(he)公路大(da)橋(qiao)交(jiao)通瓶頸(jing),完善我省(sheng)交(jiao)通運輸網絡,加強鄭(zheng)州(zhou)、新(xin)鄉兩市合作交(jiao)流(liu),加快以鄭(zheng)州(zhou)為中心的中原城市群建(jian)設,實(shi)現黃(huang)河(he)兩岸城市資源共(gong)享、產業互補、生(sheng)態共(gong)建(jian),推動我省(sheng)經濟社會快速全面協調發展,促進(jin)中部地區崛起(qi)具有重要意義。
2010年(nian)9月29日上(shang)午9:00,鄭新黃河大橋(qiao)公(gong)路橋(qiao)通車儀式在鄭州舉(ju)行。
鄭(zheng)新公鐵(tie)兩用橋的下部(bu)分,即鄭(zheng)州至石家莊(zhuang)高速鐵(tie)路部(bu)分還正在(zai)加快建設中,預(yu)計2012年建成(cheng)通車。