41st Street Pedestrian Bridge over Metra Electric/CN and South Lake Shore Drive


Structural Design Of Approach Structures and Stairs

The approach structures include the outer portions of the structure which cross over the recreational parks on each side of Lake Shore Drive and railroad.  The main structure will be supported by a single-deck rib below the center of the deck.  These pipes will be designed to run continuously from both approaches.

Finite element analysis will be used to model the approach structure using a finite element analysis software.  The analysis will include the superstructure and foundations.

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