London Bridge (Lake Havasu City) on the east shore of Lake Havasu, a large reservoir on the Colorado River. McCulloch purchased the bridge as a tourist attraction for Lake Havasu, which was then far from the usual tourist track. The idea was successful, bringing interested tourists and retirement home buyers to the area. Originally, the deserted Lake Havasu vacant land was given to the state of Arizona by the U.S. Federal Government. The federal property was an abandoned military landing strip. McCulloch made a deal with the state government and received the property for free with a promise to develop the land. But the real
US 31–Island Lake Outlet Bridge part of the National Highway System. Island Lake Outlet, also known as the Pine River Channel, was dredged in 1870 to connect Lake Michigan to Lake Charlevoix through Round Lake. A total of five bridges have crossed the channel at this location; the first was a small footbridge built in 1869. The current bridge replaced a swing truss bridge built by the city of Charlevoix in 1901. The US 31–Island Lake Outlet Bridge was designed by the bridge division of the Michigan State Highway Department, led by George M. Foster, and by consulting engineers Haslett and Erdal. Plans were prepared