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MTMDET - NORTH TWIN BRIDGE ON THE HIGHWAY 20

Project category

Bridges, Viaducts, Roads

Location

Lévis, sector Saint-Nicolas, Qc

Value($)

14 000 000

Customer

Ministère des Transports, de la Mobilité durable et de l'Électrification des transports

Year

2004-2005

 

Additional informations

Preparation, rebuilding and expansion of the roadway structure at the approaches of a bridge on Highway 20, over the Chaudière River

Main Work Performed

  • Complete demolition of the slab and concrete beams by sawing and with the help of a custom built demolition equipment
  • Partial reconstruction of abutments and arches of the existing bridge
  • Excavation and fill for each of the abutments
  • Installation of temporary support (concrete blocks, geogrids, steel plates) between the phases of work and for the access to the river
  • Installation of a temporary steel structure used to support the shoring system of the new arch bridge
  • Drilling and installation of rock anchors for the foundation of the temporary steel structure
  • Formwork, reinforcing steel and concreting of the new arch bridge
  • Supply and installation of structural bearings
  • Supply and installation of the new steel structure
  • Formwork, reinforcing steel and concreting of the new concrete slab bridge
  • Supply, installation and concreting of expansion joints
  • Slab cleaning and installation of the waterproofing membrane
  • Formwork, reinforcement steel and concreting of concrete barriers
  • Supply and installation of new railing on concrete barriers
  • Earthworks approaches
  • Paving and pavement marking