Tower Bridge

Tower Bridge is often mistaken for London Bridge, but the two crossings have different histories and designs. Tower Bridge stands beside the Tower of London and combines a central bascule span that lifts for river traffic with suspension sections extending toward the banks. It is both working infrastructure and a paid visitor attraction. Understanding that distinction makes a visit more rewarding: the bridge still serves road and river users, while its towers, high-level walkways and former engine rooms tell the story of how Victorian London sought to connect a growing city without blocking its busy port.

Why London built another crossing

By the late nineteenth century, traffic in the East End was growing, yet a conventional fixed bridge farther downstream risked obstructing ships serving the Pool of London docks. Petitions called for a new crossing east of the Tower of London. In 1876 the Corporation of London asked a committee to examine a bridge or tunnel. More than 50 designs were submitted before architect and City Surveyor Sir Horace Jones, working with civil engineer Sir John Wolfe Barry, proposed the moving bascule design. Its central roadway could rise for vessels, while the high-level walkways would keep pedestrians moving above the river when the bascules were raised.

The Tower Bridge Act received Royal Assent in 1885 and construction began on 22 April 1886. Jones died the following year, leaving Barry to direct the project through completion. Five major contractors and hundreds of workers laboured for eight years. Iron and steel formed the structure; the visible towers were clad in Cornish granite and Portland stone, giving the engineering work a Gothic Revival appearance that would sit beside the medieval Tower of London. The bridge was formally opened by the Prince of Wales on 30 June 1894. Its first vessel through the opening was the harbour master’s cutter Daisy.

A bridge designed to move

The bascules are the two road sections that pivot upward to create a navigable opening. When Tower Bridge first operated, steam engines powered hydraulic pumping machinery; the original Victorian engines and equipment can still be seen in the Engine Rooms. The system was converted to electric and oil power in the 1970s, but the historic mechanism remains central to the visitor story. The bridge is not raised for spectacle on a fixed tourist timetable: it opens for registered vessels that meet the statutory conditions, with notice, and the lift schedule can affect traffic on the road deck. Anyone hoping to watch a lift should check the bridge’s published schedule on the day.

Above the roadway, two high-level walkways connect the towers about 42 metres above the Thames and span 61 metres between them. They were part of the original design, intended to let pedestrians cross when the roadway was open to ships. Their use declined as people preferred to wait for the bridge, and they closed in 1910. The walkways reopened to visitors in 1982 as part of the exhibition. Today, the Glass Floors offer a view down to the road and river; the perspective can be striking, but visitors who dislike heights can follow the rest of the route without lingering over the glass.

What the ticketed visit includes

The visitor route begins in the North Tower, continues across the high-level walkways, descends through the South Tower and ends in the Victorian Engine Rooms on the south bank. Displays explain the bridge’s construction, its engineering, the people who operated it and the changing role of the Thames crossing. The original steam engines, boilers and hydraulic equipment give the final section a different atmosphere from the airy views above. The exhibition opened in 1982, allowing the public to explore parts of the bridge that are not part of an ordinary river crossing.

Walking across the public road deck is different from entering the towers and exhibition: the road crossing is part of the street network, while the interior visitor experience requires a ticket. The attraction is open daily from 9:30 a.m. to 6 p.m.; the last entry to the Towers is 5 p.m., and the Engine Rooms stop admitting visitors at 5:30 p.m. Tower Bridge closes on 24, 25 and 26 December and opens at 10 a.m. on 1 January. On the second Saturday of each month, a low-capacity “Relaxed Opening” session is reserved for visitors who benefit from a quieter environment. Security conditions or operational needs can also change hours without notice, so check the official calendar before travelling.

Planning a comfortable visit

Lifts serve the high-level walkways and Engine Rooms, and accessible toilets are available inside. The official visitor guide recommends allowing time for the outdoor queue and security checks; bags are searched, and suitcases or oversized wheeled bags are not accepted. Comfortable shoes help, although lifts are available between levels. There is no café or restaurant inside the attraction, so plan refreshments nearby. Well-behaved dogs on leads are welcome, and assistance dogs are admitted.

Tower Hill Underground station is roughly a seven-minute walk from the ticket entrance; London Bridge station is another convenient option, and several bus routes stop nearby. Riverboats call at piers on both sides of the Thames. Public transport details and river services can change, so use current journey information rather than assuming an old route remains available. The bridge lies within a compact sightseeing area: the Tower of London, riverside paths and the south-bank promenade can be combined on foot, but allow time for crowds and traffic.

Tower Bridge is most memorable when visitors look beyond its postcard outline. Its opening leaves the practical question of how a busy city can accommodate ships, road traffic and pedestrians in one narrow stretch of river. The answer is visible in the lifting roadway, the elevated walkways and the preserved machinery. Check the visitor schedule, ticket availability and any bridge-lift notices before setting out; then take time to see both the engineering above the Thames and the people who kept it working below.