Bullet Train Bridge over Sabarmati River is completed for Mumbai-Ahmedabad Bullet Train Project

The 480-metre-long bridge over Sabarmati River in Ahmedabad has been completed. Standing approximately 36 metres tall, equivalent to a 12-storey building (around 118 feet), the bridge is one of the major structures of the Bullet Train corridor in Ahmedabad.

Key Highlights:
Sabarmati River Bridge for Mumbai–Ahmedabad Bullet Train Completed
The 480-metre-long Sabarmati River Bridge in Ahmedabad has been completed.
The bridge stands approximately 36 metres high, equivalent to a 12-storey building (around 118 feet).
It is one of the key structures of the Mumbai–Ahmedabad High-Speed Rail (MAHSR) corridor, commonly known as the Bullet Train project.
The bridge is located adjacent to the Western Railway Ahmedabad–Delhi main line, which is about 14.8 metres above ground level.
It is situated between Sabarmati and Ahmedabad Bullet Train stations, around:
- 1 km from Sabarmati station
- 4 km from Ahmedabad station

The alignment of the Bullet Train corridor in Ahmedabad crosses multiple existing infrastructures, including:
- Flyovers
- Road bridges
- Railway lines
- Metro corridors
Due to the required clearances above existing infrastructure, the bridge piers were designed with increased height.

Bridge Design and Structure
The bridge is supported by 8 circular piers with diameters ranging from 6 to 6.5 metres.
Pier distribution:
- 4 piers within the riverbed
- 2 piers on the riverbanks (one on each side)
- 2 piers outside the riverbanks
The pier arrangement has been designed to minimize obstruction to the river's natural water flow.

Span Configuration
Unlike most river bridges on the Bullet Train corridor, which have spans of about 40 metres, the Sabarmati River Bridge features longer spans ranging from 50 to 76 metres.
This design reduces the number of piers required within the riverbed.
The bridge consists of:
- Five spans of 76 metres each
- Two spans of 50 metres each

Construction Details
Each span comprises 23 segments.
All segments were cast in-situ at the construction site.
The project required:
- Precision engineering
- Skilled manpower
- Rigorous quality checks at every stage

Construction Method
The bridge was built using the Balanced Cantilever Method, a specialized technique suitable for long-span bridges over rivers and deep waterways.
Key advantages of this method:
- Eliminates the need for conventional scaffolding beneath the bridge deck.
- Segments are erected sequentially from the piers.
- Segments are connected through post-tensioning.
- Construction progresses simultaneously on both sides of each pier, ensuring structural balance and stability.

Bullet Train Corridor Progress
The Mumbai–Ahmedabad Bullet Train corridor includes 25 river bridges in total:
- 21 in Gujarat
- 4 in Maharashtra
Of the 21 river bridges planned in Gujarat, 18 have now been completed.

Significance
- The completion of the Sabarmati River Bridge marks another major milestone in the Mumbai–Ahmedabad Bullet Train project.
- Its long-span design, elevated structure, and advanced construction methodology highlight the engineering complexity of the high-speed rail corridor.
- The bridge will play a crucial role in connecting the upcoming Sabarmati and Ahmedabad Bullet Train stations and advancing India's first high-speed rail network.