Hurdman 

Bridge

Project Description

• Girders & lanes removed, new outside lanes constructed during the coldest months of the year
• Excavators & barges used to remove girders & lanes
• Covered black shale bedrock in just 4 hours with new concrete to avoid reaction to oxygen
• Bridge safely cantilevered over 48-inch high pressure water main to avoid damage
• Catch pan created for falling debris to avoid contamination of Ottawa river
• Twenty-eight reinforced concrete girders & 2 train track rails placed in 1 weekend
• 3,000 tonnes of concrete carried on site to be crushed

Requirements

• Install 3 lanes of traffic in both directions
• Build abutments over a 48-inch high pressure water main
• Avoid contamination of the Ottawa river