drawbridges:
Broadway Bridge
drawbridges:
Indiana Harbor Canal Railroad Bridges
drawbridges:
Hanover Street Bridge
drawbridges:
Mckinley Bridge
drawbridges:
Canadian National Railroad Bridge
drawbridges:
Stone Harbor Bridge
drawbridges:
East Chicago Railroad Bridge
drawbridges:
Indiana Harbor Canal Railroad Bridges
drawbridges:
Pittsburg Fort Wayne & Chicago Railroad Bridge