Mathematical Bridge, Cambridge

The Mathematical Bridge is an iconic wooden bridge located in the heart of Cambridge, United Kingdom, connecting two parts of Queens' College over the River Cam. Despite its name, the bridge is famed not for its mathematical significance but for its distinctive design and the myths surrounding its construction.

Constructed in 1749 by James Essex, the Mathematical Bridge is often mistakenly believed to have been designed by Sir Isaac Newton. The bridge's design is a perfect example of engineering ingenuity; it consists of straight timbers that, when assembled, form an elegant arc, giving the illusion of a curved bridge. This has led to the myth that the bridge was originally built without the use of nuts or bolts and that students or fellows took it apart and were unable to reassemble it without resorting to metal fasteners.

In reality, the bridge has always incorporated iron bolts to hold the timbers in place. Its sophisticated design is based on principles of geometry and physics, creating a strong structure that could support itself with minimal material. The original bridge was replaced in 1905 with a virtually identical one, and then again refurbished in 1987, but the design has remained consistent, preserving its historical and architectural importance.

The Mathematical Bridge offers stunning views over the River Cam and is a popular spot for tourists and photographers, especially given its proximity to other historical landmarks of Cambridge. It is also a favorite for those punting along the river, who often pass beneath its arch.