Operating Divisions

National Heavy Civil Division

TBI’s National Heavy Civil division provides comprehensive, cutting-edge heavy civil construction services through traditional and non-traditional delivery methods. TBI has completed more than 135 complex bridge construction and rehabilitation projects across the nation, including world record cable-stayed structures and segmental bridges. The group also has a history of providing some of the country’s largest port authorities and the maritime industry with the construction of deep water container piers, wharf facilities, transit terminals, locks, and dams. The division pursues and builds projects across the nation: along the eastern and Gulf coasts, throughout the nation’s vast array of inland waterways, and across the western U.S., Hawaii, Alaska, Mexico, and Canada.

The tremendous depth of experience of our engineering and management staff, together with our highly experienced and competent field personnel, has allowed TBI to develop some of the most innovative construction techniques, methods, and solutions in the industry. This focus has resulted in measurable success through advanced technology, productivity, safety, value, and quality on-time construction.

Underground Division

TBI’s Underground division is focused on constructing the most challenging tunnel projects in North America and abroad. Our team of experts employs state-of-the-art technology to deliver projects in every type of ground, including soft ground, hard rock, and everything in between. TBM tunneling methods include mixed shield/slurry, earth pressure balance, and hard rock tunnel boring. Additionally, we have extensive experience in sequential excavation mining and drill and shoot excavation.

Our Underground division has more than 110 tunneling projects on our resume, including two of the most technically demanding EPB tunnels in the United States and 90-plus miles of bored tunnels. This experience, combined with the fact that we have the resources and ability to produce precast concrete tunnel liners, makes us a sought-after resource for private and public owners alike.

Traylor Mining, LLC

Traylor Mining, TBI’s newest division, was founded to carry our expertise and outstanding reputation into the mine construction marketplace. Traylor Mining has the experience and expertise to take mining projects, whether involving shaft, decline, underground development, or facilities construction, from concept to completion. With the combined experience and expertise of Underground and Traylor Mining personnel, projects are built safely, on time, within budget, and with the highest degree of quality.