She also appreciated the work done by the National Disaster Response Force, the police and local residents.
Train movement below the Majerhat bridge is normal, Eastern Railway spokesman RN Mahapatra said.
Mamata Banerjee said that thousands of people pass through the area and the government has to probe the accident.
An official of the Kolkata Traffic Police said, "We expect traffic jam because the Majherhat bridge has collapsed".
"There could be a few trapped underneath the collapsed bridge".
A Lyft driver found a Google Pixel 3 XL on his backseat
Pixel 3 XL is turning out to be one of the worst-kept secrets for the company ever, this time getting revealed in a Lyft auto . The driver under the name Anonymous Alligator said that immediately returned the gadget owners.
This is the third bridge collapse in the city in five-and-a-half years. We are receiving information from the rescue team on ground (majerhat bridge collapse in Kolkata).
The rescuers tried drilling the concrete slabs, used sophisticated cameras and engaged sniffer dogs to ensure anybody trapped under the rubble could be reached and rescued.
The rescue work continued amidst occasional rain as the evening drew to an end and additional lighting arrangements have been made to facilitate the rescue work at night.
Police said Tuesday evening that 27-year-old Soumendu Bag had died in the collapse while 21 people, including three women, were injured.
Opposition parties blamed the ruling Trinamool Congress government and said its "callousness towards the fix of old bridges" was the main reason for the collapse.
Tram services have been completely suspended along CGR Road-DH Road and Judges Court Road, a Kolkata traffic police source said.
Bob Woodward's book on Trump: The most explosive quotes
Trump is quoted as telling his hand-picked 80-year-old secretary of commerce, Wilbur Ross, "I don't trust you". National security advisers instead developed options for the airstrike that Mr Trump ordered. "He's an idiot.
The Trinamool Congress, however, dubbed the allegations baseless and said the state government had taken enough steps for fix of old and new bridges, which were in a dismal condition during the Left Front rule.
A part of the bridge on the Diamond Harbour road collapsed over rail tracks in the Alipore area at around 4:45 pm.
Mukul Roy, a former close aide of Chief Minister Mamata Banerjee and now a BJP leader said, "Painting the city blue and white, the favourite colours of Banerjee, tops the agenda of the PWD department".
In March 2016, another bridge collapsed in the city, killing more than two dozen people.
Patients from these places travelling to hospitals in the city would also have to face the woes of travelling a longer distance until the bridge is restored. She held the state government responsible for the mishap alleging that the bridge was not maintained properly.
Supreme Court nominee Brett Kavanaugh's lips sealed on White House subpoenas, pardons
He likened it to another controversial, landmark Supreme Court decision, the Miranda ruling about the rights of criminal suspects. Judge Kavanaugh had dissented when, in 2011, his court upheld new restrictions on assault weapons in the District of Columbia.