The Weinan Weihe Grand Bridge in China is part of the Zhengzhou-Xi'an high-speed railway and is the longest bridge at approximately 79.7 km. The Hangzhou Bay Bridge is famous but shorter at 35.6 km. Lake Pontchartrain Causeway is often cited as longest over water but shorter at 38.4 km. Vasco da Gama is also significantly shorter. Chinese infrastructure projects dominate this category.