The bridge slashes through the Pearl River Estuary and reduces the travel time between Hong Kong and Zhuhai from 4 hours to 45 minutes.
The extraordinary design also includes a 6.7km (4mile) submerged tunnel to help it avoid the busy shipping paths over the Pearl River Delta.
The 55km (34 mile) bridge is part of China's plan for a Greater Bay area, covering 21,800 square miles and encompassing 11 cities, including Hong Kong, the fourth most densely.
Building began in 2009 and has been dogged by delays, budget overruns, corruption prosecutions and the deaths of construction workers.
In 2016, Hong Kong saw 56.7 million tourist arrivals, compared to 37.6 million for the United Kingdom, a much larger country.
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Guo went on to suggest that Wang Zhimin (王志民), China's top liaison officer to Hong Kong might also be in danger. "The more Hong Kong is integrated into mainland China, the less is there a case for it to be given very special treatment".
Although the bridge is opening to traffic this week, private cars will need a special permit to be allowed to drive on the bridge.
Online commenters in Hong Kong complained about the bridge's restricted access ahead of the launch.
President Xi Jinping (C) is briefed by the Secretary for Transport and Housing, Mr Frank Chan Fan (R) on the Hong Kong section of the Hong Kong-Zhuhai-Macao Bridge (HZMB) during his inspection of the HZMB Hong Kong Link Road, July 1, 2018.
The bridge has been created to last 120 years and it features ultra-strong construction to withstand frequent typhoons.
"Xi Jinping's visit to the region also reinforces Hong Kong's role in the cross-border economy approach that China is developing", said Dr. Winnie King, a specialist in Chinese worldwide political economy at the University of Bristol. Officials also pledged to be careful to protect Chinese white dolphins that live in the delta.