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I-75 Caloosahatchee River Bridge Widening

Improving mobility

  • $71M

    Project Value

  • 1.6


  • Fort Myers, Florida

    Fort Myers, Florida

Widening a major bridge crossing while preventing environmental encroachment in Florida

Over the last 40 years, population growth meant additional traffic along I-75 in Lee County—one of Florida’s main north-south thoroughfares. To address the traffic increase, the Florida Department of Transportation is widening 33 miles of I-75 from four to eight lanes. The goal? Enhance mobility for people, commerce, and industry.

Of the eight bridges impacted by this expansion, our team tackled the 0.75-mile main bridge directly over the Caloosahatchee River. The river is an environmentally sensitive area and is home to over 25 different animal species (including protected manatees and smalltooth sawfish).

To prevent environmental encroachments, our team used accelerated bridge techniques, like prestressed/precast components for the piling, beam, and pile caps, and a “top down” construction method. This combined temporary trestle construction and two straddle cranes so prefabricated bridge sections could be constructed near the riverbank.

The cranes were GPS-controlled and mounted to the existing structure, which minimized traffic disruptions and increased safety. These design and construction techniques allowed us to deliver a safe project that was $8 million under budget and more than five months ahead of schedule. 

At a Glance

Top-down Approach
Roads&Bridges November 2015
Meet Our Team

Juan Restrepo, Major Projects Area Manager (US South)

Paving progress together, where roads meet innovation.
Juan Restrepo Major Projects Area Manager (US South) Read More

Reid Shankweiler, Associate

I take pride in collaborating with design teams, clients, and stakeholders to deliver innovative solutions for the communities we serve.

Craig Schmittler, Senior Environmental Scientist

Proud to be a Floridian, Craig protects the state’s varied endangered species and habitats with a dedication only a nature-lover could offer.
Craig Schmittler Senior Environmental Scientist Read More

Juan Restrepo

Major Projects Area Manager (US South)

Reid Shankweiler


Craig Schmittler

Senior Environmental Scientist

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