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At the time of its construction, the Bayonne Bridge was the longest bridge in the world. It’s currently the fifth longest steel arch bridge in the world and connects Bayonne, NJ to Staten Island, NY. The Bayonne Bridge was built by the Port Authority of New York and New Jersey and opened on November 15, 1931. Now, to accommodate the larger vessels at the container ports, the Port Authority has decided to raise the roadway of the Bayonne Bridge higher by 64 feet.

So what has to happen to raise the roadway? First, new piers must be constructed and a rolling gantry crane (on top of the piers) will transport and install precast segments of roadway. Precast segments get the job done quickly, without too much down time. A mobile crane will fit new floor beams above the existing roadway while the bridge is closed to traffic.  In addition to making room for the bigger ships, the new roadway will allow drivers to ride in wider lanes. Pedestrians and bikers will get a new-shared use path as well.

For more information on the types of accessories that are used to lift precast (such as precast segments like those being used in the Bayonne Bridge), visit A.L. Patterson on the web at www.patterson-online.com!

Article & Image Source: The New York Times http://en.wikipedia.org/wiki/Bayonne_Bridge