The area of interest where the bridge collapse may have started. The tensioning rod being tightened at the time of the collapse is sticking out above the canopy with the post-tensioning jack still attached to its end. National Transportation Safety Board

There are very detailed requirements in ACI 318 concerning design of nodal zones, and had these provisions been followed, there would not have been a failure of the FIU bridge. The project was clearly a failure at many levels, including an apparent lack of communication between all parties involved and inadequate focus on the safety of workers and the public during critical stages of construction.

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