Tower Bridge (London) – Key Specifications

AttributeDetail
LocationRiver Thames, London
TypeCombined suspension & bascule bridge
Total Length800 ft (244 m)
Width200 ft (61 m)
Tower Height213 ft (65 m)
Main Span270 ft (82 m)
Bascule Span200 ft (61 m)
Lifting MechanismHydraulic (originally steam)
Clearance (open)136 ft (41 m)
Construction1886‑1894
MaterialsSteel, Granite, Portland Stone
ArchitectSir Horace Jones
EngineersSir John Wolfe Barry & Henry Marc Brunel
Steel Weight11,000 tons
RivetsOver 3 million
Opening Time~30 seconds (now electro‑hydraulic)
Pedestrian WalkwaysHigh‑level above roadway
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