 In 1930–31, the aging and inadequate bridge across the Platte was replaced; in 1932–33, a new bridge was built at the Loup crossing.The most expensive and ambitious of Columbus's Depression-era public-works efforts was the construction of the Loup Project.This was a canal running from a diversion weir on the Loup River in Nance County to the Platte River about below the mouth of the Loup.