Daiyanghe Railway Bridge
Daiyanghe Railway Bridge
歹阳河大桥
Zhijin, Guizhou, China
453 feet high / 138 meters high
315 foot span / 96 meter span
2009
One of the world's 20 highest railway spans, the Daiyanghe Bridge is the tallest structure on a new coal railway that extends from Anshun towards Zhijin in the mountains of western Guizhou Province. Pier #6 is 94 meters tall while pier #7 is 99 meters tall supporting a main span of 96 meters flanked by two side spans of 52 meters.
The line stretches 38.591 kilometers with a design speed of 120 km/hour. There is a total of 18.85 kilometers of tunnel including one 6.66 kilometers long through Phoenix Mountain. The project is described as "terrain and geological conditions are more complex with a lot of bad geological, karst, unstable rock phenomena such as rockfall, avalanches, coal seam gas, and the line through the mountains with bridge and tunnel accounting for 64% of the total length of line." There are 23 bridges that total 5.9 kilometers that also include the 99 meter high Ah River Bridge with piers 75 meters tall.
Image by Fuzhou University.
