Bolshoy Obuhovskiy Cable-Stayed bridge over the Neva river, Saint-Petersburg, Russia

DESCRIPTION

Twin bridge crossing the Neva River on ring road around Saint-Petersburg, on site between Priozerskoe motorway and up to Highway ‘Russia’. Bolshoy Obuhovskiy Cable-Stayed Bridge is the only one not fixed bridges over the Neva River, connecting Prospect Obuhovskoy Oborony with Oktyabrskaya Embankment. First bridge crossing was inaugurated on December 15th 2004 and the second one on October 19th 2007

  • Bridge diagram: 2 х 66+174+382+174+2х66 m
  • deck width is 25 m with a height of 2.5m, deck
  • structure composed of two longitudinal boxed
  • girders with bracing
  • deck clearance is 30 m
Four lanes of carriageway conceived as one way crossing with two technological passages for maintenance purposes (pedestrian crossing was not considered). Distance within main bridge axis is 36.4m. Spans connected with steel pylons by height 120.5 m via stay cables. Pylon Foundation presented by bored
piles with a length from 30 up to 40 m long. Total length of strands is 900 km long. VSL stay cables from parallel strand manufactured on monostrahel technology. Each stay cable is formed from series straining strand immediately during construction.
SCOPE OF WORKS
  • definition of bridge crossing conception
  • structural design
  • technology of construction
  • design of SAC&D plus DDPE
  • structural monitoring of construction and service periods
  • field supervision
CLIENT

Road Administration of Saint-Petersburg

Institute Stroyproekt

GENERAL CONTRACTOR
‘Mostootriad- 19’
DESIGN PERIOD
2000 — 2007
CONSTRUCTION PERIOD
2002 — 2007