Large, complex bridge projects are our specialty.

Flatiron is consistently ranked among the top bridge contractors. We understand how to manage the challenges specific projects present, and have experience building in environmentally sensitive terrain, over major bodies of water or over existing infrastructure.

Bridge Expertise

  • Suspension
  • Bascule
  • Cable-stayed
  • Cast-in-place
  • Precast segmental
  • Precast and flat slab
  • Railway
  • Guideways
  • Pedestrian
  • Steel girder
  • Box girder
  • AASHTO beam

Bridge Projects

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Interstate 80 Bridges over Weber River
Echo Junction, UT
Value: $5.2 million
Delivery: Design-Build
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San Francisco-Oakland Bay Bridge Touchdown
Oakland, CA
Value: $30 million
Delivery: Bid-Build
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Interstate 35W St. Anthony Falls Bridge
Minneapolis, MN
Value: $234 million
Delivery: Design-Build
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John James Audubon Bridge
St. Francisville, LA
Value: $409 million
Delivery: Design-Build
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San Francisco-Oakland Bay Bridge Foundations
Oakland, CA
Value: $266 million
Delivery: Bid-Build
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San Francisco-Oakland Bay Bridge East Span (Skyway)
Oakland, CA
Value: $1.08 billion
Delivery: Bid-Build
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Replacement of the Bronx River Parkway Bridges
Westchester, NY
Value: $39.4 million
Delivery: Bid-Build
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4th Street Bridge
Pueblo, CO
Value: $28 million
Delivery: Bid-Build
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Champlain Bridge
Montreal, Quebec
Value: CA $2.5 billion
Delivery: Public-Private Partnerships
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Bridges News

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Flatiron Completes San Gabriel River Bridge Hinge Project

Flatiron completed the Interstate 210 – San Gabriel River Bridge Hinge Replacement Project in December 2022. Flatiron was the prime contractor for the project that began in May 2022. The $17 million project is located in Los Angeles County on Interstate 210 in the city of Irwindale near Interstate 605.

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