15 Year Condition Survey on Modular Joints on the Collar City Bridge


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Title: 15 Year Condition Survey on Modular Joints on the Collar City Bridge

Author(s): Vince Kazakavich

Publication: Special Publication

Volume: 164


Appears on pages(s): 467-480

Keywords: Bridges (structures) , control joints, expansion, inspection, performance.

Date: 11/1/1996

Modular Expansion Joint Systems were first introduced to the bridge designer in late 1960 and early 70's. As more modular systems became available and each design quite different, the engineer must judge the competing claims of the manufacturers. Many of the systems had only been introduced and consequently there was no long term performance history. The New York State Department of Transportation therefore decided, with the support of the FHWA to evaluate the performance of several of these modulars expansion system under identical conditions. The Collar City Bridge, initially known as the Hoosick Street Bridge, carries Rt. 7 across the Hudson River at Troy, New York. This 16-span structure consists of a monolithic concrete deck slab 215mm thick on steel girders. It is 1,033m long and 38.4m wide. Six different types of modular expansion joints were installed in 1980.