Number 6: I-355 Extension Bridge

Bridges Products
Printer-friendly version

This bridge will rise 90 ft above the ground at its highest point. It is the focal point of a project that will reduce congestion in one of the fastest-growing counties in the U.S. The contractor had to work around several endangered species and work within a limited footprint.

Location: Lemont, Ill.

Cost: $124 million

Length: 1.3 miles

Type: Precast, post-tensioned concrete bridge

Designer: American Consulting Engineers, Crawford, Murphy & Tilley, V3 Cos. of Illinois, Bollinger Lach & Assoc., Wight & Co.

Owner: Illinois Tollway

Contractor: Walsh Construction Co.

Overlay Init