On March 1, 2022, Lengiprotrans JSC (part of the 1520 Group of Companies) received a positive opinion from the FAI Glavgosexpertiza on the «Mga — Sonkovo — Dmitrov line, construction of second tracks in order to increase the throughput capacity of the section. Second stage of development. Reconstruction and construction of the bridge across Kolpinka River at 126 km of the Budogoshch — Taltsy Mologsky section of the Oktyabrskaya Railway».
The single track Budogoshch — Taltsy Mologsky section of the Oktyabrskaya railway Mga — Ovinishte line is located in the Lyubytinsky district of the Novgorod region. At 126 km of the stretch there is a single-span metal bridge across Kolpinka River. Designed according to the standards of 1925 and built in 1955, the bridge requires reconstruction due to its long-term operation and the exhaustion of its resource by the structures.
The project includes two stages: the first stage consists of the construction of a new bridge at a technological distance from the existing track along the axis of the prospective second main track of the Budogoshch — Taltsy Mologsky stretch and the arrangement of descents to the existing main track. The second stage provides for the dismantling of structures and partial dismantling of the supports of the existing bridge, the construction of a new metal bridge and the reconstruction of railway approaches to it.
This scheme will allow a possiblity to build a new bridge without interuption oth the trains schedule.
The total length of the new bridge structures will be 52.44 m each.
Also, the design documentation provides for the construction of a transport security control point, a backup automated diesel power plant and the installation of noise barriers on the site near the bridge. The design solutions were developed taking into account the prospective track development of the Taltsy Mologskiye station and the reorganization with the transformation into a passing point of the Goryatino siding, the construction of which is currently being carried out as part of a project of priority measures to increase the capacity of the Mga — Sonkovo — Dmitrov railway line.
Design management was carried out by Ekaterina Ilyinichna Yazlovitskaya, Chief Project Engineer of the Bridge Department.
