About a year ago, the Eindhoven University of Technology (TU/e) introduced a gigantic 3D printer capable of 3D printing concrete. Now, the university has used that 3D printer to begin printing a new concrete pedestrian and bike bridge in collaboration with Netherlands company BAM Infra. Read more at 3DPrint.com: http://3dprint.com/178462/eindhoven-3d-printed-bridge/