Illinois Bridge & Iron Co.
of Sullivan, Illinois
Backbone Road Bridge (Boone County, Missouri)
Abandoned through truss bridge over Cedar Creek on Backbone RoadDerelict with deck missing
Newlan Bridge (Moultrie County, Illinois)
Built 1899Lost through truss bridge over West Okaw River on TR 33Replaced by a new bridge
Stringtown Bridge (Moultrie County, Illinois)
Built 1898Lost Pratt through truss bridge over West Okaw River on TR 19AReplaced by new bridge