"Boasted 'Lasts 100 Years'... Chinese Undersea Tunnel Flooded Just 15 Days After Opening"

Water Gushing from Wall of Dalian Undersea Tunnel
Public Security Bureau Claims "Leak from Fire Valve"

A subsea tunnel in China, which was touted for its "durability lasting 100 years," experienced flooding just two weeks after its opening, causing traffic disruptions.

[Image source=Weibo]

According to the Dalian subsea tunnel operator on the 16th (local time), multiple reports were received around 8:32 a.m. that water was accumulating on the tunnel floor.

Several videos were posted on Chinese social media platform Weibo showing water pouring from the tunnel walls and rising from the floor.

Water is pouring from the tunnel wall. [Image source=Weibo]

Another video showed cars attempting to enter the tunnel having difficulty as they reversed.

Netizens reacted by saying, "It’s hard to understand water leaking from the tunnel just two weeks after opening," and questioned, "Was the tunnel construction done properly?"

The subsea tunnel operator stated that water had pooled in some sections of the tunnel, but emergency personnel were deployed and repair work was completed by around 10 a.m., and vehicle traffic is currently operating normally.

The Dalian Public Security Bureau claimed, "The water leak came from a fire valve on an auxiliary road, not the tunnel itself," and insisted, "It has no relation to the subsea tunnel."

Traffic issues occurred due to a vehicle reversing in the tunnel. [Image source=Weibo]

The Dalian subsea tunnel, which opened on the 1st, is a six-lane arterial road (12.1 km) connecting Dalian’s Zhongshan District and Ganjingzi District, with a 5.1 km underwater section beneath Dalian Bay.

The Dalian subsea tunnel is also known as the first subsea tunnel opened in northern China, a cold region.

At the time of the tunnel’s opening, authorities explained that "advanced excavation technology was applied to ensure durability that can last 100 years."

This content was produced with the assistance of AI translation services.