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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