Amtrak appoints Flatiron/Herzog JV for Susquehanna River Rail Bridge Replacement Program, US December 26, 2023 | Company News, Finance, News, North America Company News, North America Finance, North America News Amtrak has appointed the Flatiron/Herzog Joint Venture (JV) as the Construction Manager at Risk (CMAR) for the construction of two bridges that will replace the Susquehanna River Rail Bridge. The sco... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password