usepackage[style=authoryear]{biblatex}

@online{atlantichamburger,
    author    = "Libby Bawcombe",
    year      = "2014",
    title     = "The Hamburger Menu-Icon Debate",
    location  = "Washington",
    publisher = "The Atlantic",
    url       = "https://www.theatlantic.com/product/archive/2014/08/the-hamburger-menu-debate/379145/"
}

usepackage{url}

%%% --- The following two lines are what needs to be added --- %%%
setcounter{biburllcpenalty}{7000}
setcounter{biburlucpenalty}{8000}

howpublished = {url{https://www.theatlantic.com/product/archive/2014/08/the-hamburger-menu-debate/379145/}}