The Dongxing Viaduct in Longyan City is located in the northeast of Longyan City Center. The total investment is 99.26 million yuan. The city's main road is Grade II. It is the section from Dongfeng Bridge to Nanhuan Road on Dongxing Road. Intersect with Denggao East Road, railway, Qipan Road and Nanhuan Road, cross the railway on the viaduct at this section of railway crossing; set A, B, C, D ramps between Denggao East Road and Dongxing Road viaduct (all one-way (Single lane) Connects the existing Denggao East Road with Dongxing Road by 4 ramps, thus forming a semi-alfalfa leaf type interchange between Dongxing Road and Denggao Road. The viaduct is 461.77 meters long and intersects Denggao East Road, Zhanglong Railway, Qipan Road, and branch roads along the line. This project adopts the form of an elevated upper span, spanning the intersecting roads and railways, completely solving the safety hazard of level crossing with railways. The upper structure of the bridge adopts (18.5 + 20 + 20) m ordinary reinforced concrete continuous beams and 25m, 30m prestressed concrete hollow slab beams. The bridge deck is continuous. The lower part adopts pile-connected columns to cover the girder bridge pier and U-shaped abutment. Pier foundation Bored pile foundation is used.
Supervision unit: Longyan Yicheng Engineering Supervision Consulting Co., Ltd .; Construction unit: Xiamen Zhonglian Construction Engineering Co., Ltd. Construction began on August 20, 2009, and was completed and opened to traffic in January 2011.