Queens' College, Cambridge - The Mathematical Bridge

The Mathematical Bridge

The Mathematical Bridge (officially named the Wooden Bridge) crosses the River Cam and connects the older half of the college (affectionately referred to by students as The Dark Side) with the newer, western, half (The Light Side, officially known as 'The Island'). It is one of the most photographed scenes in Cambridge; the typical photo being taken from the nearby Silver Street bridge.

Popular fable is that the bridge was designed and built by Sir Isaac Newton without the use of nuts or bolts, and at some point in the past students or fellows attempted to take the bridge apart and put it back together. The myth continues that the over-ambitious engineers were unable to match Newton's feat of engineering, and had to resort to fastening the bridge by nuts and bolts. This is why nuts and bolts can be seen in the bridge today. This story is false: the bridge was built of oak in 1749 by James Essex the Younger (1722–1784) to the design of the master carpenter William Etheridge (1709–1776), 22 years after Newton died.

It was later repaired in 1866 due to decay and had to be completely rebuilt in 1905. The rebuild was to the same design except made from teak, and the stepped walkway was made sloped for increased wheelchair access. A handrail was added on one side to facilitate the Queen Mother crossing the bridge on her visits to the college. The ever-present boltheads are more visible in the post-1905 bridge which may have given rise to this failed reassembly myth.

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