Complex sentence: The bridge is named for I. B. Perrine, who spearheaded the early 20th Century irrigation projects in Idaho's Magic Valley region and is largely credited as the main founder of Twin Falls.
Split into simpler sentences: The bridge is named for I. B. Perrine, who spearheaded the early 20th Century irrigation projects in Idaho's Magic Valley region. Perrine is largely credited as the main founder of Twin Falls.