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Bridges

Federal, state, and local, infrastructure owners are under extreme pressure to construct and maintain bridges in a cost effective manner, while minimizing effects on the traveling public.  With industry-leading experience in Accelerated Bridge Construction (ABC) technologies, we can provide the services necessary to help you achieve your goals. By balancing sound planning and reliable engineering practice with state-of-the-art technical innovation and community partnering, we help owners find solutions that are cost effective, context sensitive and exceed conventional expectations.

Our Expertise

Connecting People and Places

With some of the best and brightest talent in the industry, the Gannett Fleming team has extensive experience with the design, rehabilitation, inspection, and construction management of bridges and related structural systems. From small stream crossings to multi-level interchanges, our staff’s diversity allows us to develop efficient solutions across a wide spectrum. 


We use innovation like ABC technology to compress schedules in a cost effective manner while extending bridge longevity and reducing future costs. A trusted authority in ABC, our bridge team has diverse experience with numerous clients, ranging from project-specific final designs that incorporate innovative construction methods to the development of client-specific ABC policies, guidelines, and procedures that allow owners to implement their own ABC program.

Bridge Solutions

Accelerated Bridge Construction 
  • Accelerated Bridge Construction program development 
  • Large-scale placement methods
  • Prefabricated Bridge Elements and Systems (PBES).
Bridge Design – Highway
  • Concrete 
  • Steel.
Bridge Design – Railroad
  • Commuter/Light rail 
  • Freight/Heavy rail 
  • High-speed rail. 
Complex Bridge Design
  • Curved girder 
  • Fracture critical 
  • Segmental concrete 
  • Spliced precast concrete
  • Truss bridges.
Foundation Design 
  • Shallow 
  • Pile supported
  • Drilled shaft.
Innovative Design Concepts
  • Carbon Fiber Reinforced Polymers (CFRP)
  • Engineered overfill arches 
  • Folded steel plate girders.
Minor Structure Design
  • Culverts
  • Noise barriers
  • Retaining walls
  • Sign support structures.
Rehabilitation and Preservation Design
  • Bridge widening
  • Coating repair and replacement
  • Deck reconstruction and replacement
  • Historic preservation.
  • Seismic retrofit
  • Substructure strengthening and stabilization
  • Superstructure strengthening.
Waterway Crossing Design
  • Waterway bridges
  • Fender systems
  • Scour countermeasures.


We receive both national and international recognition for our innovation, expertise, and leadership in bridges and structures. We’re consistently ranked among the top 25 bridge design firms by Engineering News-Record.

Bridge Services

Featured Services

  • Accelerated Bridge Construction planning
  • Alternative analyses
  • Bridge design
  • Bridge inspection
  • Constructability reviews
  • Context sensitive design
  • Design software development 
  • Emergency design services
  • Forensic investigations
  • Value engineering.

Specialized Services

  • Design-Build

    Design-Build

    We’ve been involved with alternative delivery methods for 25 years, delivering projects ranging from $10 million to $2.3 billion in construction value. We’ve successfully delivered many complex bridge assignments, including the I-4 bridges spanning Reedy Creek in Osceola County, Florida. This award-winning project was named the 2013 Design-Build Project of the Year by the Design-Build Institute of America’s Florida region. Read more about Design-Build.

  • Construction Management

    Construction Management

    From construction staging and protection of traffic to inspection and project close-out, we use single-point project management to quickly respond to both expected and unexpected situations. And, with a focus on teamwork and open communication, you always know where your project stands. Read more about Construction Management.

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