The 1929 founding and the early Route 66 years
Route 66 was commissioned in November 1926 and the Illinois alignment through Lincoln was paved and signed by 1929. The Tropics opened that same year — within months of the new federal highway designation — at a location that the original founders correctly anticipated would become a sustained traffic corridor between Chicago and Springfield. The early restaurant was a small operation with perhaps 30 seats, serving the supper-club menu of the era: chicken-fried steak, pork chops, fried chicken dinners, club sandwiches at lunch, and a small selection of seafood available a few nights a week when ice deliveries permitted.
The 1929 timing was both fortunate and difficult. The federal highway designation brought sustained traveler traffic that helped The Tropics survive the early-1930s Depression years when many smaller Route 66 restaurants closed. But the Depression also meant that the original founders had to operate conservatively — the building was not expanded, the menu was not significantly upgraded, and the restaurant essentially treaded water through the 1930s. Survival was the achievement; growth came later.
World War II changed the trajectory. Rationing made full-service supper-club dining difficult, but the Lincoln-area population grew with wartime industrial activity at the nearby Logan County agricultural-supply facilities and at the railroad freight yards in Lincoln proper. The Tropics emerged from the war years with a stable customer base and the operating capital to begin expanding the building and updating the menu. The next two decades — the 1950s and 1960s — were the restaurant's growth years, and the tiki-themed identity dates specifically to this postwar boom period.