Norridgewock Bridge
Norridgewock, ME
Project Description
The historic, covered arch bridge in Norridgewock, Maine was replaced by a 300' cast-in-place concrete tied arch bridge that maintained the aesthetic features of the original structure.
Owner
Maine Department of Transportation
Contractor
Reed & Reed, Inc.
Designer
SEA Consultants
Our Role
McNary Bergeron & Associates provided construction engineering services including:
- Construction analysis for erection of the new arch structure.
- Erection plans & procedures
- Development & design of temporary arch shoring
- Demolition plan for existing arches, including demo shoring system
Total Contract Value
$21 million
Timeline
2008 - 2011
Construction Method and Specifications
- Concrete tied arch w/ steel cable hangers
- Arch & tie girders are cast-in-place on falsework
- 300 span, approximately 60' high
- 42' roadway width
- 135' approach spans - prestressed concrete girders
Owner
Maine Department of TransportationContractor
Reed & Reed, Inc.Designer
SEA ConsultantsOur Role
McNary Bergeron & Associates provided construction engineering services including:- Construction analysis for erection of the new arch structure.
- Erection plans & procedures
- Development & design of temporary arch shoring
- Demolition plan for existing arches, including demo shoring system
Total Contract Value
$21 millionTimeline
2008 - 2011Construction Method and Specifications
- Concrete tied arch w/ steel cable hangers
- Arch & tie girders are cast-in-place on falsework
- 300 span, approximately 60' high
- 42' roadway width
- 135' approach spans - prestressed concrete girders
