Proposal for the Construction of Tan Vu – Lach Huyen 2 Bridge Project

The People’s Committee of Hai Phong City recently announced that the City’s Department of Transport has completed drafting the proposal for the Tan Vu – Lach Huyen 2 Bridge Project and submitted it to the Department of Planning and Investment for synthesis and reporting to the People’s Committee of Hai Phong City.

In the first quarter of 2025, the City Party Committee is expected to consider and evaluate the project proposal, which will then be submitted to the Prime Minister for approval. Once approved, the investment preparation steps will commence from 2025 to 2027.

As planned, the Tan Vu – Lach Huyen 2 Bridge will be located to the left of the existing bridge, with a total length of 5,443 meters and a width of 16 meters, spanning the Nam Trieu sea gate. The bridge will provide a direct connection from Trang Cat Ward in Hai An District to Lach Huyen Port, located at the northern gateway of Cat Hai District.

Additionally, the project includes the construction of two approach roads with a total length of 9.86 kilometers. The approach road in Hai An District will be approximately 4.2 kilometers long, including a bridge over the Cam River, while the road in Cat Hai District will be 5.66 kilometers long.

The Tan Vu – Lach Huyen 2 Bridge will be located to the left of Bridge 1. Photo: Bao Hai Phong

These approach roads will be invested in phases, with a road width of up to 51 meters, accommodating 6 vehicle lanes and 4 mixed lanes.

Moreover, the project will also construct 3 grade-separated intersections along the approach roads. Hai Phong City will carry out site clearance work for these approach roads according to the approved planning, with a width of up to 68 meters.

The total expected cost for this project is over VND 8,711 billion. Of this, more than VND 6,455 billion will be borrowed from the Economic Development Cooperation Fund (EDCF) of Korea, and the remaining will be sourced from the local budget counterpart funds.

In December 2023, the Prime Minister signed Decision No. 1516/QD-TTg approving the master plan for Hai Phong City for the period of 2021-2030, with a vision towards 2050. The Tan Vu – Lach Huyen 2 Bridge Project has been included in the list of priority investment projects in this master plan.

Forecasts indicate that by 2030, the capacity of the Hai Phong International Gateway Port will reach approximately 125 million tons of cargo per year. The number of tourists visiting Cat Ba Island is also expected to surpass the 10 million mark per year.

However, the Tan Vu – Lach Huyen 1 Bridge has been consistently overloaded since its inauguration. Therefore, the decision to build the Tan Vu – Lach Huyen 2 Bridge was made by Hai Phong City.

What About the Tan Vu – Lach Huyen 1 Bridge?

The Tan Vu – Lach Huyen sea-crossing bridge connects the mainland area of Hai An District to Cat Hai Island in Cat Hai District (both in Hai Phong City) and was inaugurated and put into use on the occasion of the National Day on September 2, 2017.

The project had a total investment of nearly VND 11,850 billion from Japanese ODA loans and counterpart funds from the Vietnamese government. With a total length of 15.63 kilometers, including a 5.44-kilometer sea-crossing section, the Tan Vu – Lach Huyen Bridge became the longest sea-crossing bridge in Vietnam and one of the longest in Southeast Asia.

With the Tan Vu – Lach Huyen Bridge in operation, traveling by car between the mainland and Cat Hai Island takes only about 5 minutes, instead of the hours previously spent on ferries. This has reduced accidents, risks, and traffic congestion, while also boosting tourism activities on Cat Ba Island and its surrounding areas.

Tan Vu – Lach Huyen Sea-Crossing Bridge. Photo: Hai Phong City Portal

The bridge is directly connected to the Hanoi – Hai Phong highway, National Highways 5 and 18, the Hanoi – Hai Phong railway, the Noi Bai – Ha Long highway, and Cat Bi International Airport. As a result, it contributes to a complete transport network, facilitating cargo transportation to and from the port in the Hanoi – Hai Phong – Quang Ninh economic triangle.

For Hai Phong City, this bridge plays a crucial role in connecting and developing the city’s coastal economy, enhancing its attractiveness to investors for projects within the Dinh Vu – Cat Hai Economic Zone development program. Notable among these are key projects being implemented in Cat Hai District, such as the Hai Phong International Gateway Port.

Additionally, Vietnam’s longest cross-sea bridge boasts a mysterious “tunnel” that not many people know about, considered a massive technical box.

Since the bridge was constructed using the method of joining pre-cast compartments, each 60 meters long, forming 88 interconnected compartments, a special 4.5-kilometer-long “tunnel” was created.

Inside the Special “Tunnel”. Photo: Dan Tri

The tunnel has a width of 9 meters and a height of over 2.5 meters. Inside, the cable system is installed in a continuous manner, with each tunnel compartment containing 12 bundles of prestressed cables. These cables play a vital role in bearing the bridge’s load.

The cable system installed inside the “tunnel” ensures the bridge’s operation, accommodating vehicles traveling at speeds of up to 80 km/h on four lanes.

This “tunnel” is exclusively accessible to technical personnel, and outsiders are not permitted to enter. A lighting system has been installed inside the tunnel to facilitate maintenance work.

Thai Ha

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