Steel Structures

Blue Water Bridge
Port Huron, Michigan
(1997)

Steel tied arch main span utilizing temporary cable stays for supporting and cantilevering the steel arch pieces.

Gateway Arch Bridge
Columbus, Indiana
(1998)

The 300-foot single span bridge is supported by cable-stayed hangers from basket-handle arches.

Colorado River Crossing
Glenwood Springs, Colorado
(1998)

This new pipeline suspension bridge was a fast-track design-build project designed to replace the old raw water system pipeline across the Colorado River.

Storrow Drive Connector Bridge
Boston, Massachusetts
(1997-1998)

This project includes one of the largest steel box girders in North America. This three-span variable depth steel box girder supports a 76-foot wide deck over the Charles River.

Clifford Hollow Bridge
Hardy County, West Virginia
(2001-2002)

This structure is a conventional six span plate girder bridge that spans a 300ft deep gorge. Bridge redesigned to be built by incremental launching

Reconstruction of I-95
Bridgeport, Connecticut
(1998-1999)

This project involved the “on-line” reconstruction of this conventional structure including replacement of the columns, cap girders, stringers and bridge deck. Reconstruction proceeded while I-95 traffic remained open, and an active railroad operated below.