TY JOUR TI DETERMINATION OF THE TECHNICAL CONDITION OF A RAILWAY BRIDGE KW Transportation structures KW defects and damages KW technical condition JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Seryh, I.R. AU Chernyshova, E.V. AU Degtyar, A.N. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov