Michael Baker has established a legacy of responding to the toughest challenges with innovative and sustainable bridge designs. Our bridges range from small box culverts and retaining walls to major, complex river crossings, including trusses, arches, box girders and cable-stayed bridges. Additionally, Michael Baker is a leader in developing cost-effective rehabilitation designs for complex steel and concrete structures across the country. For nearly eight decades, the firm has demonstrated leadership by promoting advancements in short-, medium- and long-span bridge design and construction, such as the use of high-performance materials and Accelerated Bridge Construction (ABC) techniques.