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Bourne & Sagamore Bridge Deck Repairs and Paving

Bourne, MA; Sagamore, MA

Class of Work: Bridge - Construction


Location: Bourne, MA; Sagamore, MA


Project Start: October 2009


Project Completion: December 2010

Contract Amount: $7,500,000.00


Architect / Engineer: US Army Corps of Engineers,

New England Division

Description and Scope of Work:

Work at the Sagamore Bridge (construction time 75 calendar days) consisted of: complete removal and replacement of the abutment parapets and sidewalks; removal and resetting of all granite bridge curb; removal of bituminous concrete pavement and underlying waterproof membrane; removal and replacement of 4 ea Bridge Compression Joints  (40 LF ea) and 4 ea Bridge Expansion Joints (40 LF ea). Removal and replacement of joints consisted of complete removal and re-installation of the structural steel support system and expansion systems. We were also responsible for repaving the entire bridge with modified bituminous asphalt (“Rosphalt”) in order to eliminate the need for a new waterproofing membrane. We additionally upgraded the entire bridge lighting and navigating lighting systems, and installed a new protective coating system on the sidewalk.


The work of this project consists of removal of the existing 2 inch pavement and waterproofing membrane for the full length of the Sagamore Bridge deck and the Bourne Bridge Abutments.  At the Sagamore Bridge Abutments, the top 2 inches of the micro-silica concrete were removed by using a milling machine.  Necessary repairs to the underlying concrete were made.  A new single component waterproofing/bituminous paving system was applied to the repaired bridge deck and abutments.  The concrete parapets at the North and South Abutments were replaced.  Repairs to the concrete sidewalk, curbs, expansion joints, and electrical work were required.


Work was performed in thirds across the width of the bridge, requiring three phases of construction.  Extensive traffic control procedures were necessary. Two work periods were specified in order to avoid complications associated with the heavy volumes of summer traffic. Work took place in Fall of 2009 and Spring of 2010.




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