About Minnowa Construction
Located in Harmony, Minnowa Construction, Inc. is a trusted leader in bridge and heavy civil construction across the Midwest. Since its founding in 1984 by Alan and Steve Thorson, the company has built a strong reputation for delivering complex infrastructure projects with precision, safety, and reliability.
With decades of experience and a highly skilled team, Minnowa Construction serves public and private sector clients throughout Minnesota and surrounding states. The company has successfully completed projects for departments of transportation, municipalities, railroads, and government agencies, earning respect as a dependable partner in critical infrastructure development.
Our Expertise
Minnowa Construction specializes in a wide range of heavy civil services, including:
- Bridge construction, rehabilitation, and repair
- Large-scale interchange and roadway projects
- Grading and site preparation
- Demolition and structural removal
- Precast and poured concrete structures
- Culverts and drainage systems
- Dam renovation and cofferdam installations
- Foundation piling and railroad structures
From complex bridge replacements to specialized structural work, Minnowa brings the equipment, expertise, and project management capabilities needed to execute demanding jobs efficiently and safely.
Our Team & Equipment
Minnowa Construction employs a dedicated workforce of experienced professionals supported by a modern fleet of heavy equipment. This combination allows the company to handle projects of varying size and complexity while maintaining high standards of quality and performance.
Commitment to Quality & Safety
At Minnowa Construction, safety and quality are at the core of every project. The company emphasizes strong field management, skilled craftsmanship, and strict safety practices to ensure each job is completed correctly and efficiently. Their long-standing track record reflects a commitment to doing the job right the first time.
Building the Future
For over four decades, Minnowa Construction has played a key role in developing and maintaining essential infrastructure throughout the region. As the company looks ahead, it remains committed to innovation, growth, and continuing its legacy of excellence in heavy civil construction.