Wiss, Janney, Elstner Associates, Inc.

Wiss, Janney, Elstner Associates, Inc. (WJE) is an American corporation of architects, engineers, and materials scientists specializing in the investigation, analysis, testing, and design of repairs for historic and contemporary buildings and structures.

Working for the Portland Cement Association (PCA), Janney was recognized for his knowledge of prestressed concrete by the Illinois State Toll Highway Authority and was offered a consulting position for a new construction project utilizing full scale load testing.

Additionally, over a period of twelve years, WJE led a multidisciplinary team that assisted the Kennedy Center for the Performing Arts in Washington, D.C., with assessing and addressing issues of deterioration and obsolescence.

[7] WJE continued to undertake many new assignments, including the investigation of Perry's Victory and International Peace Memorial,[13] restoration services at the New York Public Library,[14] plaza investigation and repair services for the Lyndon Baines Johnson Library and Museum,[15] facade restoration of the American Museum of Natural History,[16] comprehensive planning studies for Aloha Stadium, and a condition assessment and materials evaluation following the I-580 connector collapse at the MacArthur Maze.

The Leo Frigo Memorial Bridge, crossing the Fox River in Green Bay, Wisconsin, was temporarily closed when a 400-foot stretch of deck sagged due to significant and sudden settlement of a pier.

Reconstruction of TWA Flight 800 wreckage at the Naval Weapons Industrial Reserve Plant. [ 2 ]
WJE has performed long-term routine condition assessment services on Soldier Field , home to the Chicago Bears , annually since 1970. [ 3 ]
Following the 2007 deadly collapse of the I-35W Bridge in Minneapolis, Minnesota , the Minnesota Department of Transportation (MnDOT) retained WJE to lead their investigation into the cause of the collapse.