What is the Tower bridges specification?

The Tower Bridge in London, United Kingdom has the following specifications:

Location: Over the River Thames in London

Type: Combined suspension and bascule bridge

Total Length: 800 feet (244 meters)

Width: 200 feet (61 meters)

Height of Towers: 213 feet (65 meters)

Number of Towers: 2

Main Span: 270 feet (82 meters)

Side Spans: 296 feet (90 meters)

Bascule Span: 200 feet (61 meters)

Lifting Mechanism: Hydraulic

Clearance Below: 136 feet (41 meters) when open

Construction Started: 1886

Completed: 1894

Material Used: Steel, Granite, Portland Stone

Architect: Sir Horace Jones

Chief Engineer: Sir John Wolfe Barry and Henry Marc Brunel

Weight of Steel Used: 11,000 tons

Number of Rivets Used: Over 3 million

Opening Mechanism: Steam initially, later converted to electro-hydraulic

Opening Times: Originally 1 minute, currently 30 seconds

Pedestrian Walkways: High-level walkways above the roadway

Purpose: Combined road and pedestrian traffic