Bridge Inspections

 

 

GLUS has provided bridge inspections for railroads, county and state DOT's, departments of natural resourses and bridge contracting companies. Great Lakes Underwater Services adhears to standards put fourth by; AREMA, FHWA, NBIS and more.

All of our underwater bridge inspections must include and thorough inspection of the streambed at all three levels of inspections.

Inspection Levels

Level 1 - Visual (This level of inspection includes didgital photographic documentation based on water clarity with written report and minimal cleaning)

Level 2 - Visual, Measurements, Limited Cleaning (This level of inspection includes didgital photographic documentation based on water clarity with written report, limited cleaning and limited tactile measurements.

Level 3 -Highly Detailed which could include: Didgital Photographic documentation, written documentation, CAD, NDT, 3D Sonar Imaging, detailed cleaning of problematic areas.

 

 

 

 

 

General items for inspection:

  • Crackng
  • Corrosion
  • Scaling 
  • Spalling
  • Scour
  • Deterioration
  • Separations
  • Missing Componenets
  • Collision Damage
  • Delamination

 

 

 

GLUS also performs bridge maintenance and repair such as:

Wet/Dry Welding and Burning

Marine Pile Restoration and corrosion control

Timber removal/replacement

Underwater Saw Cutting

Jetting

Drift removal

Recovery