| Yachi Railway Bridge | |
| Native Name: | 鸭池河特大桥 |
| Native Name Lang: | zh |
| Carries: | Expressway |
| Crosses: | Yachi River |
| Locale: | Qianxi County, Guizhou, China |
| Design: | Arch Bridge |
| Material: | Steel |
| Mainspan: | 436m (1,430feet) |
| Length: | 1466.5m (4,811.4feet) |
| Open: | 2019 |
| Coordinates: | 26.885°N 106.297°W |
The Yachi River Bridge is an arch bridge in Guizhou, China. The bridge, at 272m (892feet), is one of the highest in world. It is also one of the longest arch bridges with a main span of 436m (1,430feet). The bridge crosses the Yachi River between Qianxi County in Bijie and Qingzhen in Guiyang. The bridge is part of the Chengdu–Guiyang high-speed railway.
Although Yachi Railway Bridge is officially 272 metres high, the bridge crosses over the reservoir of the Suofengying Dam so it is only approximately 230 metres above the water level.