MALIGAON, Oct. 30 -- Northeast Frontier Railway (NFR) has signed a Memorandum of Understanding (MoU) with the Indian Institute of Technology (IIT), Roorkee, on 27th October 2026 for the "Development of Hybrid Crack Detection Methodology including Assessment of Residual Fatigue Life in Railway Steel Bridges." The initiative aims to strengthen the scientific assessment of ageing steel bridges through a combination of conventional inspection techniques, non-destructive evaluation (NDE), artificial intelligence (AI), material testing and advanced structural analysis. The initiative assumes significance in view of the ageing steel bridge infrastructure across Indian Railways, including bridges on NFR that have been in service for more than 50 ye...