Longest Bridge in India, List of Longest Bridges in India

Bridges are among the most important infrastructure assets of a country, improving connectivity, supporting economic growth, and linking geographically separated regions. India has developed several major bridges across rivers, seas, lakes, and difficult terrains to strengthen road and rail networks. 

The longest bridge in India is the Atal Setu (Mumbai Trans Harbour Link), which is 21.8 km long and located in Maharashtra. It is also the longest sea bridge in India, connecting Sewri in Mumbai with Nhava Sheva in Navi Mumbai across Thane Creek and the Arabian Sea region. It was inaugurated in January 2024.

Top 10 Longest Bridges in India Complete List

The top 10 longest bridges in India are as follows: 

Important Bridges in India

India has built several landmark bridges across rivers, seas, and lakes to improve connectivity, trade, and strategic mobility. Some of the longest and most important bridges in India are listed below.

Atal Setu (Mumbai Trans Harbour Link)

• Atal Setu, officially known as the Atal Bihari Vajpayee Sewri-Nhava Sheva Atal Setu, is the longest bridge in India with a length of 21.8 km.  
• It connects Sewri in Mumbai with Nhava Sheva in Navi Mumbai and significantly reduces travel time between the two regions.  
• The bridge has approximately a 16.5 km section over the sea and around 5.5 km approach viaducts on land.  
• It is a six-lane road bridge constructed by the Mumbai Metropolitan Region Development Authority (MMRDA).  
• It is an important infrastructure project aimed at improving connectivity between Mumbai, Navi Mumbai International Airport, and Jawaharlal Nehru Port.

Kacchi Dargah-Bidupur Bridge

• The Kacchi Dargah-Bidupur Bridge is a major six-lane bridge project over the Ganga River in Bihar.
• The main bridge section over the river is approximately 9.76 km long, making it one of India’s longest river bridges after completion.
• The complete project alignment, including approach roads and connecting structures, extends to nearly 19.76 km.
• The project connects Patna district with Vaishali district and aims to improve connectivity between northern and southern Bihar.

Dr. Bhupen Hazarika Setu (Dhola-Sadiya Bridge)

• The Dr. Bhupen Hazarika Setu is India’s longest operational river bridge before the completion of newer mega projects.
• It is 9.15 km long and built over the Lohit River, a tributary of the Brahmaputra.
• It connects Dhola and Sadiya in Assam and improves connectivity with Arunachal Pradesh.
• It was inaugurated in 2017 and was named after legendary Assamese singer Dr. Bhupen Hazarika.

Dibang River Bridge

• The Dibang River Bridge is located in Arunachal Pradesh and has a length of approximately 6.20 km.
• It is constructed over the Dibang River and provides strategic connectivity in India’s northeastern border region.
• The bridge improves movement between Assam and remote areas of Arunachal Pradesh.
• It was opened in 2018.

Mahatma Gandhi Setu

• The Mahatma Gandhi Setu is a major road bridge over the Ganga River in Bihar.
• It connects Patna with Hajipur and plays a vital role in Bihar’s transport network.
• Opened in 1982, it was once the longest river bridge in India.
• The bridge is approximately 5.75 km long.

Bandra-Worli Sea Link

• The Bandra-Worli Sea Link, officially called the Rajiv Gandhi Sea Link, is located in Mumbai, Maharashtra.
• It connects Bandra with Worli across Mahim Bay.
• It is approximately 5.6 km long and was opened in 2009.
• It was India’s first major cable-stayed bridge built over the open sea.

Bogibeel Bridge

• Bogibeel Bridge is India’s longest rail-cum-road bridge.
• It is built over the Brahmaputra River in Assam and has a length of approximately 4.94 km.
• The bridge connects Dibrugarh and Dhemaji districts.
• It was inaugurated in 2018 and has strategic importance because of its proximity to the India-China border region.

Vikramshila Setu

• Vikramshila Setu is a road bridge over the Ganga River near Bhagalpur, Bihar.
• It was opened in 2001 and has a length of approximately 4.70 km.
• The bridge connects Bhagalpur with Naugachhia and northern Bihar regions.
• The bridge suffered a partial structural collapse in May 2026. 

Vembanad Rail Bridge

• The Vembanad Rail Bridge is located in Kerala and crosses Vembanad Lake.
• It has a length of approximately 4.62 km.
• It is one of India’s longest railway bridges and forms an important part of the railway connectivity in the Kochi region.
• It was opened in 2011.

Digha-Sonpur Bridge (J.P. Setu)

• The Digha-Sonpur Bridge, also known as Jai Prakash Setu, is a rail-cum-road bridge over the Ganga River in Bihar.
• It connects Digha Ghat in Patna with Sonpur in Saran district.
• The bridge is approximately 4.55 km long.
• It was opened in 2016 and improved connectivity between northern and southern Bihar.

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