Accelerated Bridge Construction

Barnhart specializes in utilizing cutting edge technology to provide innovatively engineered lifting and moving solutions for the tunneling, bridge building and heavy structural industries. We are a leader in construction techniques based upon the philosophy of "Build it big and move it once".


  • Float in and Float out of Bridge Spans
  • Bridge Transportation, Erection and Removal
  • Specialty Gantry systems for Lock Gate Replacement and Repair
  • Innovative, Engineered Plans with Customized Solutions
  • Gantry Systems for Tunnel Boring Machines (TBM) preassembly and insertion
  • Accelerated Construction Method Expertise
  • Engineered application of hydraulic jacks, strand jacks and sliding systems
  • Expertise in emergency response