Strobel Steel Construction Co.

Adams Street Bridge (Cook County, Illinois)
Built 1927
Bascule bridge over South Branch Chicago River on Adams Street in Chicago
Open to traffic

Jackson Blvd. Bridge (Cook County, Illinois)
Built 1916
Bascule bridge over South Branch Chicago River on Jackson Blvd. in Chicago
Open to traffic

Richland Creek Viaduct (Greene County, Indiana)
Built 1906
Deck plate girder bridge over Richland Creek on Indiana Southern Railroad
Open to traffic