The first welded bridge
![](https://www.gosamontaza.rs/wp-content/uploads/2021/08/Prvi-zavareni-most-u-Jugoslaviji-preko-Belog-Timoka-kod-Zajecara.jpg)
In 1937, the Mostogradnja Jasenice AD built the first welded bridge on the Timok River near Zaječar. A manual arc welding technique was used. To build the bridge by welding, the factory had to obtain a certificate from accredited institutions of Yugoslavia and Europe. It was a great feat at the European level.