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Bridge Structural Services

TOPCOR provides a wide range of Bridge Restoration and Protection services for Federal Agencies, State DOTs, Municipalities, Railroads and Private owners. We are not only expert at the repair technologies, but also in providing the proper access for repair, especially in marine environments. Some of our typical repair details include:
 
 
 
 
Concrete Spall Repair
Typically caused by chloride corrosion of reinforcing steel or by physical damage, spalls and major section losses in concrete structures are repaired using ICRI (International Concrete Repair Institute) guidelines for proper preparation, reinforcing steel replacement and concrete replacement, whether by hand patching, forming and pumping or shotcrete.
 
Cathodic Protection of Reinforcing Steel
Primarily used on marine bridge structures, we provide a variety of sacrificial and impressed current cathodic protection systems to provide significant life extension for bridge structural members:
  • Cathodic protection pile jackets (FRP jackets with Zinc embedded mesh)
  • MCP (Metalized Cathodic Protection), which is a thermal sprayed zinc external application
  • Embedded and Attached Anodes
  • Impressed Current systems
Expansion Joint Restoration
Replacement with in-kind or newly specified joint systems provided by all major manufacturers.



Carbon Fiber Strengthening
TOPCOR is a certified applicator of carbon fiber wraps, strips and plates for the strengthening of bridge structural components and was one of the original contractors trained for this type of application over ten years ago.
 
 
 
Replacement and Repair of Steel Structural Components
Whether it is weld repair, component repair, gusset plate repair, straightening or replacement, rivet replacement, finger joint repair, pin replacements or any other type of specialty steel work, TOPCOR has the capabilities to provide in-house repair and restoration.
 
 
Underbridge Access Platforms
We can provide rental and services using our "Snooper Trailer” equipment for difficult to access bridge inspection and work performance.



Epoxy Crack Injection
Certified installers of several types of epoxy materials for crack repair of all types.
 
Fender System Repairs
Repairs and replacement of both treated timber and plastic wale systems.
 
Bridge Jacking & Replacement of Neoprene Pads
Bridge jacking and repair of pedestals, replacement of neoprene pads or steel bearing plates.
 
Cleaning and Sealing of Surfaces
Cleaning and sealing of decks and walls with Class V Coatings, methacrylate, epoxy and cementious overlays.
 
Grouting
Pressure grouting of approach slabs, slope pavements and culverts. Grouting of precast deck panels with epoxy or mortar.
 
Rip Rap
Installation and repair of existing and new sand cement rip rap and fabriform matting.

 

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