Mathematical Bridge Mathematical Bridge The Mathematical Bridge is the popular name of a wooden footbridge in the southwest of central Cambridge, United Kingdom. It bridges the River Cam about one hundred feet northwest of Silver Street Bridge and connects two parts of Queens' College. Its official name is simply the Wooden Bridge. It is a Grade II listed building. The bridge was designed by William Etheridge, and built by James Essex in 1749. It has been rebuilt on two occasions, in 1866 and in 1905, but has kept the same overall design. Although it appears to be an arch, it is composed
Devon Bridge (Alberta) Devon Bridge (Alberta) Devon Bridge is a bridge that carries the Devonian Way (Highway 60) over the North Saskatchewan River in Devon, Alberta, Canada. The current bridge was built in 1987 to replace an earlier bridge that was started in 1950 and completed in 1951. Before 1948, passengers could cross the river in this location in a bucket or cage that was pulled across the river by a system of cables and pulleys. During the winter, cars could cross the river on an ice bridge that was created by pumping water onto the surface of the river to create a