Westminster Bridge(bornWestminster Bridge) -arched bridgeover the River Thamesin London,joiningWestminster andLambeth.
Modern bridgebuilt in 1862, designed byThomasPage,replacing the oldbridge, built in1740and opened in1750.[1] [2]The bridgehas sixpolesand sevenarches, the largest numberofmodern bridgesof London.[3]bridgepaintedgreen,symbolizing thecolorof seats in theHouse of Commons.