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150 years ago, the Eads Bridge became the first steel bridge to cross the Mississippi River—a marvel of 19th-century engineering that forever changed the landscape of St. Louis. Built by Keystone Bridge Company, a precursor to American Bridge, it remains one of the most iconic and enduring pieces of American infrastructure.  The Need for a Grand Crossing  Following the Civil War, St. Louis needed a bold solution to keep pace with booming commerce and the…

Peoria’s iconic McClugage Bridge has long served as a vital connection across the Illinois River. After decades of use, it was time for a bold transformation—one that would honor its legacy while propelling the region into the future. The result? A nearly mile-long marvel of engineering that blends innovation, safety, and community impact.  A Feat of Innovation  At the heart of this project lies a daring engineering achievement: the use of floating construction to hoist…

At Southland, internships are more than just a summer job. The internships are a hands-on introduction to the world of heavy civil construction. They offer valuable, real-world experience whether you are based in the office or in the field. Something Southland believes in investing in is the next generation of leaders, engineers, and innovators.   In the Office: Behind the Desk Learning  For interns working in our corporate and regional offices, every day looks different. Office based…

Safety First — Be Aware of the Summer Heat  At Southland safety comes first; especially when it comes to the summer heat. When working outside all day, it is important to stay informed and protected from the risks that come along with extreme heat. Working in the heat without proper precautions can cause heat exhaustion, heat stroke, and dehydration. It can also cause fatigue and loss of focus, which can both increase the risks of…

Precision Tunneling at Its Finest – Denver International Airport What started as an ambitious plan to mitigate environmental hazards from airplane de-icing fluid turned into a textbook case of innovation, collaboration, and resilience. Welcome to the story of Denver International Airport’s underground engineering masterpiece. A CRITICAL CHALLENGE At the heart of this project was a pressing environmental goal: to stop airplane de-icing fluid from contaminating local waters. The solution? A state-of-the-art drainage tunnel system built…

ONE TEAM ONE GOAL Southland’s Equipment Team — The Powerhouse Behind Progress Behind every monumental construction project is an unstoppable force: Southland’s Equipment Team. They are the innovators, problem-solvers, and technical experts who transform raw power into precision. More than operators, they are the driving force that transforms vision into reality. THE BACKBONE OF OUR SUCCESS It’s easy to admire the colossal bridges, highways, and tunnels shaping our world, but behind these engineering marvels stands…

A 16-year strong commitment to clean water & sustainable progress The East Side Water Treatment Plant located in Sunnyvale, Texas has undergone significant transformation over the last 16 years to enhance facilities and increase the capacity for clean drinking water for the City of Dallas residents. The total contract value sums up to $274 million, which includes four large-scale construction projects: Clear Wells and Flumes Headworks and Chemical Improvements Flocculation and Sedimentation Basin Improvements Biological…

At Southland, safety isn’t just a requirement — it’s a core value that shapes every project we take on. Our motto, “Protect My Family,” is more than a slogan — it’s a principle we live by every day. Construction Safety Week gives us the opportunity each year to pause, reflect and recommit to protecting our teams. It’s more than just a week on the calendar — it’s a platform for education, open dialogue and inspiration…

Women in Construction Week is more than a celebration—it’s a movement recognizing the vital role women play in shaping the industry. From field engineers to project managers, women are proving that talent, hard work and determination know no gender.  Many young women don’t see themselves in construction simply because they haven’t been encouraged to explore it. But the truth is, construction needs more women. Why? Because women bring a level of detail, organization and collaboration…