Alvan Burch began his career as a motorman before transitioning to business ownership, operating a grocery store and working in insurance. He later held significant public sector roles, including vice-chairman for the Indiana State Highway Commission and president of the Blunt Plow Company, which he renamed Burch Plow Company. Burch played a pivotal role in infrastructure projects, such as the George Rogers Clark Memorial Bridge. His professional expertise extended to patenting agricultural equipment, and he served as city comptroller of Evansville and Indiana State Auditor. Burch's diverse career and leadership in both private and public sectors established a robust foundation for his later political endeavors.

Alvan Burch's political identity is marked by an unexpected blend of business acumen and public service, particularly in infrastructure. Burch's career as a successful entrepreneur, owning the Burch Plow Company, juxtaposes with his public roles, suggesting a unique approach to governance. His strategic investments in infrastructure, such as the George Rogers Clark Memorial Bridge, reveal a calculated effort to balance economic growth with public welfare. Burch's legislative record shows an intriguing convergence with opposing factions on environmental regulations, hinting at a highly localized, interest-driven political strategy.