Mostostroy No. 6 is one of the largest organizations in the field of transport construction with 80 years of successful experience in Russia and abroad.

Mostostroy No. 6 company carries out the whole range of works on the construction, reconstruction and overhaul of railway and automobile bridges, viaducts, overpasses, hydraulic structures, construction of industrial and civil facilities, nuclear and thermal power facilities.

Over the years, Mostostroy No. 6 has built more than 90% of all bridge structures on the network of railways and highways of the Leningrad, Murmansk, Arkhangelsk, Vologda, Pskov, Tver, Kostroma regions, the Komi Republic and Karelia - over 5000 bridges and overpasses with a length of more than 420 km .

Today, Mostostroy No. 6 unites 9 branches in St. Petersburg, Arkhangelsk, Veliky Novgorod, Vologda, Kaliningrad, Petrozavodsk, Pskov, as well as a representative office in Moscow.


People are the main wealth of the company.

Our employees are the generating force, the basis of life and the main component of the successful development of the company. Different people work in our company. We value the contribution of each employee to a common cause and recognize the right of everyone to choose. We are members of one professional team and combine all our efforts to achieve the common goal of the company.

Quality is the foundation of everything

The concept of quality is fundamental in our professional activities. It is inextricably linked with all the processes that take place both within the company and beyond. In understanding quality, we are always guided by international ISO standards. Every year we confirm our right to be among the companies that receive ISO certificates.

Experience - Daily Multiplication

The ability to analyze the past is the key to success in the future. Our experience directs us to the continuous search for new non-standard solutions, new technologies in production, technical equipment of the company, business management, building communications. Tradition is the ability to preserve experience. We maintain and enhance our traditions, creating standards of work and corporate culture based on them.

Development is only forward movement

We are focused on the continuous development and improvement of all areas of the company’s professional activities. We are constantly expanding our presence in the market. This allows us to explore new regions and build important transport, industrial, and civil facilities for St. Petersburg and Russia to ensure a comfortable and safe life for people.


The construction of reliable facilities for transport, industrial and civil purposes to ensure safe and comfortable living conditions, movement and work of people.


We strive to become the most effective company engaged in the construction of artificial structures, roads, industrial and civil facilities and the nuclear power complex.

Work principles

Continuous improvement and maintenance of high quality work and services

Professionalism and continuous development of the potential of the company's employees

Continuous search and implementation of increasingly advanced technological solutions

Responsibility at all levels: regardless of the type of work performed and position held

Building relationships with partners and customers on a long-term basis

Honesty, transparency and openness at all stages of work and business


The company "Mostostroy No. 6" congratulates all employees on the day of the builder!


Crocus International has entered into a strategic agreement with Bridge No. 6 for the construction of the Central Ring Road


The Minister of Transport of the Russian Federation Maxim Sokolov has opened traffic on the bridge across the river. Volkhov on the P-21 Cola highway