Mercantile Bridge Co.
Blakeman Bridge (Coles County, Illinois)Built 1907
Three-span arch bridge over Embarras River on TR 193 (Old IL 130)
Open to traffic
Charleroi-Monessen Bridge (Washington County, Pennsylvania)Built 1906
Through truss bridge over Monongahela River on PA 2018 in Charleroi
CLOSED due to structural problems