Ainsworth-Benning Construction’s civil engineering expertise plays a critical role in shaping the infrastructure of communities throughout the Black Hills region and beyond. From bridges and roadways to residential developments and site infrastructure, our team is trusted to deliver durable, high-performance solutions tailored to each project’s unique demands. With a focus on safety, precision, and long-term value, we apply decades of field-tested knowledge and modern engineering practices to projects that move people, connect places, and support community growth.
Our commitment to excellence extends beyond the build. Whether we’re managing utility installations, grading and drainage, or full-scale transportation projects, Ainsworth-Benning delivers with professionalism and efficiency. We work closely with municipalities, developers, and state agencies to meet timelines, respect budgets, and exceed expectations. With a proven record of delivering critical infrastructure across western South Dakota and into Wyoming, we bring the same award-winning standards to our civil engineering work that have defined our reputation in commercial and institutional construction.
Civil Projects
