NJ.com | Hackettstown Route 46 Bridge Renovation cited in National Engineering Competition NJ.com Greenman-Petersen, Inc. (GPI), of Lebanon, has earned a National Recognition Award for exemplary engineering achievement in the American Council of Engineering Companies' (ACEC) 49th annual Engineering Excellence Awards for the reconstruction of ... I-70 Mississippi River Bridge and Corridor Receive Top ACEC Engineering ... Q&A: Meet Troy Calkins, PE, HNTB Project Controls Manager for the New NY Bridge |