NYSDOT Underwater Bridge Inspection, Regions 10 & 11

The 1993-1996 biennial inspection program covered inspection and assessment of nearly 1,000 bridge piers and over 8,000 linear feet of relieving platform supporting FDR Drive in Manhattan. In addition to the inspection of the bridges, McLaren was responsible for the fathometric survey of more than 200 piers. The 2001-2002 biennial inspection program covered inspection and assessment of a total of 72 bridges encompassing 629 SSUs. The current (2007-2008) program has covered inspection and assessment of a total of 93 bridges encompassing 309 SSUs. Comprehensive reports are prepared including still photographs, sketches, underwater videotape recordings, and a summary of results of findings. All reports are prepared in metric and all inspection work is performed in accordance with the NYSDOT Bridge Diving Inspection Manual.