Bandra–Worli Sea Link

Stand at the water's edge in Bandra and listen for a moment. The sea slaps against black basalt rocks below. Crows call from the old fort walls behind you. And out across the bay, carried on the salt wind, comes a low and steady hum. That sound is traffic, thousands of vehicles crossing the water on a ribbon of concrete hung from steel cables. In front of you, the Bandra–Worli Sea Link curves away across Mahim Bay toward the towers of south Mumbai.

The bridge has two names. Most people in the city simply call it the Sea Link. Its official name is the Rajiv Gandhi Sea Link, after the former prime minister of India. It joins Bandra, in the western suburbs, to Worli, closer to the old commercial heart of the city. On a map the distance looks short. For decades, though, the journey between these two neighbourhoods was anything but quick.

To understand why, picture the shape of Mumbai. The city sits on a long, narrow peninsula. It was once a cluster of separate islands, joined over the centuries by land reclamation, which means filling in the sea with rock and earth. Almost all traffic moving north and south had to squeeze through a small number of roads. At the Mahim end, those roads met in a famous bottleneck. A trip that should take minutes could stretch toward an hour in the evening rush.

The answer was to stop going around the bay and go over it instead. The project was run by the Maharashtra State Road Development Corporation, a state agency for major roads. The construction work was carried out by Hindustan Construction Company, one of India's large engineering firms. Building in open sea was slow and difficult. The first lanes opened to traffic in 2009, and the full bridge followed soon after.

Now look at the tallest part of the structure, near the middle of the bay. Those are the pylons, the great towers that hold the bridge up. Their shape is often compared to an inverted letter Y. From the top of each tower, dozens of steel cables fan down to the road deck. This design is called cable-stayed. The cables carry the weight of the road straight to the towers, so the main span needs no supports in the water beneath it.

Here is a detail many visitors miss. The Sea Link is not one long cable-stayed bridge from end to end. Only the central sections hang from cables. The rest of the crossing runs on a long row of concrete piers, a viaduct, standing in the shallow water like the legs of a heron. Follow the line of the road with your eye. You can see the point where the plain piers end and the fans of cables begin.

The whole crossing runs to roughly five and a half kilometres, including the approach roads at each end. It carries eight lanes of traffic, four in each direction. Cars, taxis, and buses pay a toll to cross. Two-wheelers and pedestrians are not allowed on the bridge at all. So, unlike many famous bridges, this one cannot be walked. You experience it from a car window, or from the shore, as you are now.

That makes where you stand important. On the Bandra side, the best views come from the area around Bandra Fort and the seafront promenade known as Bandstand. The small fort was built by the Portuguese, who controlled this stretch of coast before the British. Its weathered stone walls once watched over the mouth of the bay. Today they frame a very different scene — a modern bridge, a busy skyline, and a sea full of ships far offshore.

Now look toward the far end of the bridge. Where it touches land at Worli, there is something older than any tower. Worli Koliwada is a fishing village of the Koli people, the community often described as the original inhabitants of Mumbai's islands. Their boats, painted in bright colours and flying small flags, still go out into these waters. During the building of the bridge, local fishermen raised concerns about access to their fishing grounds. Their village and the bridge now sit side by side.

The Sea Link changes with the light, and that is part of its appeal. In the morning, the water often looks grey and silver, and haze softens the outline of the towers. By late afternoon the sun sits low over the Arabian Sea, to your west. The cables catch the light and glow gold. After dark, the bridge is lit up, and its reflection shimmers on the bay. Many couples and families come to the seafront just to watch this change.

The monsoon brings another mood entirely. During the rainy months, roughly from June to September, the sea turns rough and dark. Waves crash against the rocks along Bandstand and throw spray over the railings. Clouds can hang so low that the tops of the pylons disappear. Locals often come to the shore on these days, with umbrellas and roasted corn from street vendors, simply to stand in the wind and watch the water.

For the city, the bridge is more than a shortcut. It has become a familiar image in films, advertisements, and postcards of Mumbai. It stands for a city that keeps building outward and upward, even into the sea. It is also part of a larger plan. Newer coastal roads have been built along the shoreline, and they now link up with the Sea Link, making it one piece of a longer route along the western edge of the city.

If you decide to cross it by taxi, ask the driver to take the Sea Link and keep your phone ready. The ride is short. The road rises, the city falls away, and for a few minutes you are surrounded by open water on both sides. The cables flash past the window one after another. Then the road comes down again into the noise and colour of the streets, and the moment is over.

For now, though, stay a little longer on the shore. Feel the warm wind and taste the salt in the air. Watch a fishing boat cross slowly beneath the high span while the traffic hums above it. Old stone behind you, steel cables in front of you, and the sea between them. When you turn to walk away, listen again for that steady hum across the water. It will follow you for a while along the promenade.