李家沟中桥左线施工里程为DzK45+480.99～DzK45+592.91，桥全长111.92米，李家沟中桥右线施工里程为DzK45+488.25～DzK45+602.02，桥全长113.77米，本桥为排洪兼立交而设，跨越李家沟河，桥位于R=2500 m的圆曲线及缓和曲线上。孔跨式样为：4孔24m。T形桥台，桥墩采用圆端形桥墩，基础采用φ100钻孔桩基础，钢护筒倒用。对既有线采用吊轨梁及钢管桩进行防护。
Lijiagou in the left lane of the bridge construction mileage DzK45 +480.99 ~ DzK45 +592.91, bridge length 111.92 m, the right line Lijiagou Construction of bridge mileage DzK45 +488.25 ~ DzK45 +602.02, bridge length 113.77 meters, the bridge designed for the discharge and interchange across the Li Gou, Bridge at R = 2500 m of the circular curve and the relaxation curve. Span style is: 4 hole 24m. T-shaped pier, pier-side with round-shaped piers, foundation pile drilling with φ100, steel casing down with. Hanging on the existing railway track beams and steel pile protection.