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route 72 manahawkin bay bridges project graphic


January 2015

(click on thumbnail photos to enlarge in bottom window)

This view is from the east side of the navigation channel (center of the structure) of the on-going pier construction for the westerly portion of the bridge. The work platform and construction activities do not interfere with the navigation channel so that marine traffic is not impacted by the work.
A pier cap/top form has been installed as the construction of this pier draws nearer to completion. The pier cap formwork can only placed after the wall portion of the column has gained the appropriate strength. A worker in a manlift is inspecting the condition of the form.
This view is of the piers for the easterly portion of the bridge. The piers are nearly complete with only minor finishing work remaining. A total of 16 piers are required for the new structure with eight piers on either side of the navigation channel.

This view shows various stages of pier construction. In the foreground, blue forms for the pier column have been installed. The metal forms are placed to control the shape of the pier column while the concrete is still in a fluid state. After the concrete hardens and reaches an acceptable strength, the forms can be removed.

This view is a close up of a completed wall portion of a bridge pier column. Reinforcement steel extends out of the top of the column to provide the strength needed to connect the pier top/cap. A worker prepares to inspect the top of the pier to confirm the condition of the concrete so that construction at this pier can continue.
Custom column forms are used to match the geometry of the existing bridge piers. The design involved repetitive column dimensions and geometry so that the forms can be reused after an individual pier is complete. Crews inspect the forms to ensure all the joints are tight and that concrete does not leak out.
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  Department of Transportation
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  Trenton, NJ 08625-0600
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  Last Updated:  January 29, 2015