本桥全长3262.08m，位于曲线13(R-2200m、Ls-250m、T-462.21、L-918.89) DK32＋2243.13～DK32+398.27为夹直线。曲线14(R-6000m、Ls-90m、T-308.98、L-617.62) DK33＋015.89～DK33＋176.49为夹直线（含短链0.09m）。曲线15(R-3000m、Ls-180m、T-492.69、L-980.47) DK34＋156.96～DK35＋338.38为夹直线。全桥纵坡段坡度变化： DK29＋927.25～DK31+727.25为0.00‰平坡、DK31+727.25～DK31＋872.75为凹曲线，竖曲线半径R=15000m，T=72.75m。DK31＋872.75～DK32＋524.75为9.7‰上坡。DK32＋524.75～DK32＋775.25为凸曲线，竖曲线R=15000，T=125.256m。变坡点里程DK32＋650。DK32＋775.25～DK33＋397.5为-7‰下坡、DK33＋397.5～DK33＋502.5为凹曲线，竖曲线半径R=15000，T=52.506m。DK33＋502.5～DK35＋652.5为平坡。跨桂洲水道主桥为DK32+288.68～DK32+595.48（24#～27#）；与线路夹角98°，桂洲水道现在为Ⅳ级航道，规划改造为Ⅰ级航道，通航水位最高4.064m，最低-0.104m，通航净高18m，净宽200m，双孔单向通航。