Sixth Street
BNSF Bridge
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We provide full-service capabilities and advanced technology for the planning, design and construction of complex span and movable bridges. The firm’s design and construction experts help clients and contractors achieve successful results that improve mobility and augment quality of life in local communities.


Founded as a moveable bridge firm more than a century ago, HNTB brings unsurpassed technical expertise to all bridge projects.

View the Bridges brochure here.

Bridge Types

  • Accelerated bridge construction
  • Arch
  • Cable-stayed
  • Truss
  • Girder
  • Movable
  • Suspension
  • Pedestrian
  • Transit
  • Segmental
  • Railroad
  • Reconstructed
  • Cantilever bridges

Featured Projects

Department of Transportation Market Sector Leader

John Barton 

Barton serves as the HNTB’s national department of transportation market sector leader and interim bridge practice leader. Working in collaboration with HNTB’s regional/division presidents and office leaders, he provides leadership to all market sectors and professional service practice groups, and develops and directs strategies that enhance HNTB’s services to all HNTB clients across the country. Prior to joining HNTB, Barton served the Texas A&M University system in various capacities after retiring from the Texas DOT where he held engineering, management and executive leadership roles over a span of 29 years.

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