The Goteik viaduct is a railway trestle in Nawnghkio, Northern Shan State, Myanmar. The bridge is between the two towns of Pyin Oo Lwin, the summer capital of the former British colonial administrations of Myanmar, and Lashio, the principal town of northern Shan State. It is the highest bridge in Myanmar and when it was completed, the largest railway trestle in the world. It is located approximately 100km northeast of Mandalay and 135km from Lashio.