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Bridges

Allegheny River Bridge

Location
Cheswick, Pennsylvania
Owner
Pennsylvania Turnpike Commission
Architect
Figg Engineers
Contract Value
$190,000,000

This project features twin 2,350’ cast-in-place concrete segmental bridges carrying The Pennsylvania Turnpike over the Allegheny River, Allegheny Valley Railroad, Norfolk Southern Railroad, and Freeport Road. These structures were constructed utilizing the balanced cantilever method and are the first of their kind in Pennsylvania. The six-span structures have piers ranging in height from 57’ to 102’ which include aesthetic rockwork features inspired by the local landscape, over 8,000,000 pounds of reinforcing steel, 1300 LF of drilled shafts, nearly 50,000 CY of concrete, and over 3,000,000 pounds of post-tensioning.

6
The new bridge will accommodate six lanes of traffic plus acceleration and deceleration lanes.

Additional Experience

Highways

Highways

Transit

Transit

Aviation

Aviation

Walsh

WALSH CONSTRUCTION

929 West Adams Street
Chicago, Illinois 60607
T: 312.563.5400
F: 312.563.5466

Walsh

ARCHER WESTERN

2410 Paces Ferry Road
Suite 600
Atlanta, Georgia 30339
T: 404.495.8700
F: 404.495.8701

Walsh

WALSH CANADA

36 York Mills Road
Suite 302
Toronto, Ontario M2P 2E9
T: 416.849.9000
F: 416.849.9100

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