On November 4th, 1901 the firm Noble and Modjeski was engaged by the Southern Illinois & Missouri Bridge Company to design a railroad crossing near the town of Thebes, Illinois. Alfred Noble was a mentor of Ralph Modjeski when both were employed under George Morrison for the design and construction of the Frisco Bridge in Memphis, Tennessee.
Construction begins with the grading of the Missouri approach on April 17th, 1902. Shown here is construction of the concrete arch approach structure which are some of the earliest examples of large-scale concrete arch bridge technology.
In early 1905, the construction of the Thebes Bridge was completed. The new structure was and still is one of the most unique railroad bridges in the world, featuring a five span cantilever truss system.