The new construction of the Baishatun to Nantong Bay section of the West Coast Expressway

Entrusting unit : Engineering Office of the Central District of the Western Coastal Highway, General Administration of Highways, Ministry of Communications
Location : Tongxiao Town, Miaoli County
Programme Duration : 
    Construction started in 106 years of the Republic of China;
    It was completed in January 108 of the Republic of China
Program Overview : 
    The new construction project of the Baishatun to Nantong Bay section of the Xibin Expressway is located in Tongxiao Town, Miaoli County, with a total length of 9,531 meters from the Baishatun section (113K+144) to the south and the Nantong Bay to Tongxiao section (122K+675) in the south, and the main projects are as follows:
1. Main line viaduct, field cast cantilever bridge: a box room pre-stressed concrete box girder bridge, with a total length of about 1,410 meters, including units B03, B09, B12, B13 and B17, with a total width of 22.8~24.93 meters.
2. Main line viaduct, field-cast span-by-span bridge: a box room prestressed concrete box girder bridge, with a total length of 1,790 meters, including units B02, B04~B08 and units B11, B14~B16, with a total width of 22.8~38.85 meters.
3. The main line viaduct, a precast concrete I-beam bridge, with a total length of 65 meters, including units B01 and B10, and a total width of 22.8 meters.
4. Ramp viaduct, field-cast span-by-span bridge: a box room pre-stressed concrete box girder bridge, with a total length of about 400.5 meters, including B05L and B05R units, with a total width of 6.5 meters.
Crossing the bridge, the field cast hollow version of the girder bridge, with a total length of 199 meters, including C01~C04 units, with a total width of 9~20 meters.
Side lane bridge, precast concrete I-beam bridge, with a total length of 180 meters and a total width of 7 meters.
7. Cut-and-cover tunnel: double-hole vehicle box culvert, with a total length of 175 meters and a net width of 12.0 meters on each side.
8. Nord Stream Bridge Widening Project: The original Nord Stream Bridge is a pre-cast concrete I-beam bridge, 20 meters long, divided into three parts, such as the main line and 2 side lanes, the width of the main line bridge is widened from 22.8 meters to 29.8 meters, the side lane is demolished and rebuilt, and the bridge width is 7.5 meters.
9. Retaining wall works, crossing vehicle box culverts, embankments, road cuts, level roads and drainage works.
10. Other supporting projects: road signs, pavement markings and markings and lighting projects, etc.