norridgewock bridge - mcnary bergeron
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Norridgewock BridgeNorridgewock, ME
Project DescriptionThe historic, covered arch bridge in Norridgewock, Maine was replaced by a 300' cast-in-place concretetied arch bridge that maintained the aesthetic features of the original structure.
OwnerMaine Department of Transportation
ContractorReed & Reed, Inc.
DesignerSEA Consultants
Our RoleMcNary Bergeron & Associates provided constructionengineering services including:
Construction analysis for erection of the newarch structure.Erection plans & proceduresDevelopment & design of temporary archshoringDemolition plan for existing arches, includingdemo shoring system
Total Contract Value$21 million
Timeline2008 - 2011
C o n s t r u c t i o n M e t h o d a n dSpecifications
Concrete tied arch w/ steel cablehangersArch & tie girders are cast-in-place onfalsework300 span, approximately 60' high42' roadway width135' approach spans - prestressedconcrete girders