Lebanon

  • NH 12A Bridge Replacement

    The City of Lebanon needed to replace a functionally obsolete crossing with inadequate geometry that was at the end of its service life. The three-span, 145-ft-span steel stringer bridge that crosses over the New Hampshire Railroad serves NH 12A at a skew with the railroad tracks immediately adjacent to the congested intersection with US 4….

  • Water Gate Valve Inventory

    This fast-track project included collecting the location (within 0.06 ft) of approximately 1,535 water gate valve locations for the city’s GIS database and future projects. Working closely with the city and in coordination with ongoing roadway construction activities, D&K staff collected water gate valve locations using survey-grade GPS units tied into the Vermont CORS network….