NTM is part of prime’s team for the Biennial Bridge Inspection – Systemwide contract for the PTC. The work is being performed to meet the Federal Highway Administration’s current national bridge inspection standards. The PTC maintains 875 structures including bridges and culverts of more than 20 feet. The contract also includes hands-on re-inspection of approximately 234 sign structures and five tunnels. NTM’s services include bridge and tunnel inspections.