To be fair, even modern arch style bridges have the same concerns. For example, overhead arch bridges get around it by using ties between the ends running under

To be fair, even modern arch style bridges have the same concerns. For example, overhead arch bridges get around it by using ties between the ends running underneath the actual bridge itself to prevent the ends from separating. The Hernando de Soto bridge used this type of design and was recently closed for a few months because one of the ties had started to fail.