Special "tunnel" under the longest bridge across sea in Vietnam
Tan Vu - Lach Huyen road (Hai Phong city), also known as the longest bridge across sea in Vietnam, is scheduled to be put into operation in early September. Many people may not know that there is a special tunnel under that bridge.
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The project consists of roads and bridges, of which 5.44km over the bridge, 10.19km road, 16m width and 4 lanes. The bridge is planned to be in use from September 4.
Unlike many traffic works, the bridge has a special tunnel. This is considered the giant technical chamber of the century.
Following are some looks of this "tunnel":
![]() The longest bridge across sea in Vietnam has a total length of 15.63 km with a road of 10.19 km and 5.44 km bridge. The project owner is the Ministry of Transport and managed by the Project Mamagement Unit 2. The bridge will be put into operation from early September.
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![]() Zoom in the special tunnel
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![]() This tunnel is also considered a giant "technical chamber"
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![]() Interconnection of tunnels. It represents the special technical structure of the bridge
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![]() Cable system inside the tunnel ensures operation of the bridge, allowing vehicle speed of 80km/h on 4 lanes.
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![]() Cable system inside the tunnel ensures operation of the bridge, allowing vehicle speed of 80km/h on 4 lanes.
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![]() Gap between the beams from inside the bridge
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![]() Way to the the tunnel. This tunnel is only for technical staff.
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