Causes
“Possible causes may also include a mistake made by builders, but this is unlikely because the contractor is a very reliable company. It is too early to make concrete conclusions. They will be made by a special commission,” he said.
Federal court of the Kirovsky residential area of Yekaterinburg judged that Viktor Menshikov, director of a municipality "Blagoustroistvo" is responsible for bridge collapse. Bridge collapsed because construction works were conducted with a violation of a city-building codex. Also, director didn't send a bridge design documents for public examination and didn't receive an approval for construction of the bridge.
Read more about this topic: Yekaterinburg Bridge Collapse