Scope of Work
Cianbro removed the existing Route 52 steel truss bridge, demolished the bridge abutments and built a new concrete arch bridge spanning the Wallkill River.  

Project Details

• Utilized a 4100 ringer crane for demolition and erection, set up on land, in lieu of using a smaller crane on a temporary trestle in river bed to minimize environmental exposure and flooding 
• Engineered and constructed a temporary utility / foot bridge
• Dismantled and removed an existing 225 ft long by 42 ft wide steel truss bridge
• Excavated and removed material in preparation for the new bridge abutments and wingwalls
• Drilled and blasted rock for the new concrete thrust blocks
• Constructed the thrust blocks and erecting shoring towers with EFCO forms to form the new concrete arch bridge
• Placed two arch ribs and erected new precise columns and pier caps
• Formed and placed new bridge abutments
• Installed precast box beams
• Placed new concrete deck and sidewalks
• Installed new bridge railing and lighting
• Upgraded existing roads, drainage structures, curbs, and sidewalks
• Installed new trees and street lights throughout the village of Walden