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Highway 20/73 Interchange

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Project Details

Location

Lévis, QC, Canada

Type of Structure

1,040-ft. (317-meters) highway bridge (6 spans)

Year(s) of Manufacture

2012-2013

Bridge Opening

2014

General Contractor

Roxboro Excavation Inc.

Engineering Firm

Consortium composed of CIMA+ and Dessau

Owner

Quebec Ministry of Transportation

Products and Services

Fabrication of the steel bridge superstructure (2,200 tons)

Longest girder: 147 ft. (45 m)

Heaviest girder: 90,520 pounds

Metallizing

Goodco Z-Tech:
24 pot bearings

18 seismic isolators

2 LG-4 type modular expansion joints

Description

Construction of an overpass in the scope of the Highway 20/73 Interchange rehabilitation project in Lévis, Quebec.

 

Features

The 18 seismic isolators, which were installed on the central and two intermediate piers, act to decouple the movements of the superstructure from ground and pier movements in the event of an earthquake.

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