The much-anticipated Mtentu Bridge in South Africa is set to be completed by 2027, despite the eye-watering cost. When it’s built, the £174m bridge will connect the towns of Mtentu and Umngazi ...

A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." ...