Consulting Services > Structural EvaluationBridge Evaluation & Analysis

Inspecting & evaluating bridges around the globe

Our experience in the structural evaluation of bridges is extensive and involves many high profile bridges worldwide.  Our work spans the lifecycle of events, from design to damage/disaster to rehabilitation.  We have demonstrated expertise in inspecting and evaluating cable-stayed bridges, cable damping, and measuring cable forces. 

CTLGroup has conducted analytical investigation of the damage and collapse of prominent bridges around the world. Collapse investigations conducted by CTLGroup include the Cline Avenue Bridge in Indianapolis, the Marshall Avenue Bridge in Minnesota, and the Twelve-Mile Creek Bridge in Kentucky.

For the evaluation, maintenance and upgrade of existing bridges, we have provided:

• Comprehensive nondestructive testing of post-tensioned and reinforced concrete
• Field inspection and condition assessment
• Failure analysis and investigation
• Remote wireless structural health monitoring systems
• Corrosion rate monitoring and service life assessment
• Post-tensioning tendon inspection and rehabilitation

For the evaluation of construction design for bridge projects, we have provided:

• Laboratory qualification of bridge bearings, seismic dampers, composite reinforcement and post-tensioning tendons
• Qualification testing of bridge stay cables
• Accelerated corrosion barrier testing for stay cables
• Qualification of grout for post-tensioning tendons
• Creep and shrinkage evaluation for concrete
• Onsite stay-cable force and geometry monitoring