While in Brazil a 12.4 km sea bridge is still progressing to get off the ground, India already operates a 2.08 km railway bridge whose central section of 72.5 meters rises 17 meters for ships to pass through.

Written by Alisson Ficher

Published on 24/04/2026 at 15:49

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Structures over the sea reveal opposing solutions between rail and road mobility, with engineering that combines territorial scale in Brazil and mobile technology in India to allow coexistence between transport and navigation in challenging maritime environments.

India has put into operation the New Pamban Bridge, a maritime railway bridge with a length of 2.08 kilometers, connecting Rameswaram to the mainland and incorporating a movable central span of 72.5 meters, designed to rise up to 17 meters to allow the passage of vessels.

In contrast, Brazil plans the Salvador-Itaparica Bridge, in Bahia, designed to span 12.4 kilometers over the Bay of All Saints, connecting Salvador to Vera Cruz, with an official forecast for construction to begin in June 2026.

Railway bridge with movable span over the sea

Compare the Salvador-Itaparica bridge with the New Pamban Bridge, in India, and understand differences in scale, technology, and impact.

Unlike conventional solutions, the Indian crossing stands out as the country’s first vertical-lift maritime railway bridge, integrating structural and mechanical engineering to ensure the simultaneous flow of trains and vessels in a strategic channel.

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Salvador-Itaparica Bridge and impact on mobility

In the Bahian scenario, the main highlight falls on the territorial scale and the potential for logistical transformation, as the bridge was conceived as part of a broad road system, capable of reconfiguring displacements between different regions of the state.

According to official information, the Salvador-Itaparica Bridge is presented as the largest in Latin America over water, spanning 12.4 kilometers over the sea and establishing a direct connection between the capital and the municipality of Vera Cruz.

In addition to the main crossing, the project includes new road accesses in Salvador, the implementation of a road variant on Itaparica Island, and interventions on BA-001, creating a structured corridor to absorb the predicted increase in vehicle flow.

According to the schedule released by the state government, the completion of the work is planned for June 2031, consolidating a project that transcends the function of a physical link and positions itself as an axis of regional development.

While the Indian bridge draws attention for the mechanism that transforms part of the structure into a movable element, the Brazilian proposal concentrates its impact on continuous extension and the reorganization of large-scale displacements.

Engineering over the sea and distinct challenges

Projects of this nature highlight how different contexts demand specific solutions, especially when it comes to infrastructure installed over the sea, where environmental and operational factors impose additional limitations.

In the Indian case, the priority was to ensure the coexistence between railway and navigation, avoiding interruptions in maritime traffic without compromising the regularity of railway transport in a strategic corridor.

In Bahia, the challenge shifts to the implementation of an extensive road connection, involving complex urban accesses, complementary structures such as tunnels and viaducts, in addition to integration with densely occupied areas.

The project foresees a cable-stayed section with a clearance of 85 meters under the central span, ensuring navigability in the region, in addition to a main span of 860 meters, accompanied by approach segments on both sides of the crossing.

By observing the two initiatives, it becomes evident that offshore engineering can take distinct forms, whether through mobile solutions that prioritize operational flexibility or by investing in large continuous structures aimed at large-scale territorial integration.

While in Brazil a 12.4 km sea bridge is still progressing to get off the ground, India already operates a 2.08 km railway bridge whose central section of 72.5 meters rises 17 meters for ships to pass through.

Structures over the sea reveal opposing solutions between rail and road mobility, with engineering that combines territorial scale in Brazil and mobile technology in India to allow coexistence between transport and navigation in challenging maritime environments.

Railway bridge with movable span over the sea

Salvador-Itaparica Bridge and impact on mobility

Engineering over the sea and distinct challenges

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Structures over the sea reveal opposing solutions between rail and road mobility, with engineering that combines territorial scale in Brazil and mobile technology in India to allow coexistence between transport and navigation in challenging maritime environments.

Railway bridge with movable span over the sea

Salvador-Itaparica Bridge and impact on mobility

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