Profile: Laura Legnani

David Knight has made his mark in the bridges sector through his involvement in some of the industry's smallest, yet most inspired, footbridge projects. He talks to Helena Russell about the power of collaboration, and what designers can learn from fabricators.

This month's letters include discussion over design checks and suitably experienced engineers as well as seismic design of masonry and more.

The tragedy of the Francis Scott Key Bridge highlights the need for structural engineers to ensure that the risks inherent in our built infrastructure remain acceptable, argues Colin Caprani.