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Cordogan Clark & Associates

Cordogan Clark & Associates

Chicago, IL | Aurora, IL | Lafayette, IN

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41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
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41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago


Cordogan Clark & Associates' designs for the 41st and 43rd Street Pedestrian Bridges won an international design competition held by the City of Chicago. They feature double-curved arch monotrusses to form large, graceful S-curves. The leisurely curves of the bridges recall Olmsted's original walkways for the Chicago Parks, while extending this park aesthetic westward over Lake Shore Drive. The horizontal and vertical curves of the bridges create a graceful urban promenade that is visually dynamic from any approach. 

The sleek, dynamic forms of the pedestrian bridges continue Chicago's tradition of structural expressiveness. The double curvature adds structural rigidity and wind resistance while having a simple profile with minimal detailing. Slender and elegant arches provide the structure for a curving deck that widens midspan and projects outwards to form grand balconies. The bridges glide gently to a rest in the park by ramps supported on tapering rustic prairie-stone. Energy-efficient lighting parallel to the surface of the deck provides continuous, low-glare illumination along the entire span of the bridges. This indirect lighting highlights the curving silhouettes of the bridges and adds visual drama to the landscape at night. AECOM is the structural engineer, civil engineer, and construction administrator for these bridges.

 
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Status: Built
Location: Chicago, IL, US
Firm Role: Design Architect
Additional Credits: Owner/Client:
City of Chicago Department of Transportation

Lead Civil / Structural Design Firm, Engineer of Record, Construction Administrator
AECOM

Construction Engineering Firm:
TranSystems

Contractor:
F.H. Paschen

Lead Structural Engineer (Arch Structures):
AECOM

Structural Engineer (Approach Structures):
HBM Engineering Group



Landscape Architect:
Terry Guen Design Associates

Electrical Engineer:
Singh & Associates

Geotechnical Engineer:
Ground Engineering Consultants

Environmental Engineering:
Kowalenko Consulting Group

 
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street Pedestrian Bridge, Lake Shore Drive, Chicago (James Steinkamp Photography)
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago
41st Street and 43rd Street Pedestrian Bridges, Lake Shore Drive, Chicago