BASIC WAYS TO EXTEND THE LIFE OPERATION METAL BRIDGES
The article provides an overview of the main ways to improve the durability and safety of bridges during reconstruction. The main decisions on replacing the bridge beam with slabs of a ballast-free bridge deck and the construction of sections of variable stiffness on the approaches to the bridge are considered on the example of a metal bridge on PK 921 + 93.75 of the Angelinskaya - Velichkovka railway line of the North Caucasus Railway.