Alden & Lassig Bridge & Iron Works

of Chicago, Illinois
View Exhibit map

In 1881, John Alden and Moritz Lassig, the former general superintendent of the original American Bridge Company, founded the Alden & Lassig Bridge & Iron Works

This partnership dissolved in 1886.

61st Street Viaduct (Cook County, Illinois)
Built 1885
Lost Double-intersection Warren pony truss bridge over Chicago, Rock Island & Pacific Railway and Lake Shore & Michigan Southern Railroad on 61st Street
Replaced by a subway

Addison Avenue Bridge (Cook County, Illinois)
Built 1899
Lost Double Intersection Pony truss bridge over North Branch Chicago River on Addison Street
Replaced by new bridge

Astico County Park Bridge (Dodge County, Wisconsin)
Scofield Road pony truss
Pratt through truss bridge over Crawfish River on Trail
Open to pedestrians

Bernard Street Footbridge (Cook County, Illinois)
Built 1924
Double-intersection Warren through truss bridge over North Branch Chicago River on Bernard Street Sidewalk
Open to pedestrians only

C&NW - Fox River Bridge (Old) (Kane County, Illinois)
Built 1883
Lost Lattice deck truss bridge over Fox River on Chicago & North Western Railway
Replaced by a new bridge

CNW - Black River Falls Bridge (Jackson County, Wisconsin)
Approaches, 1880
Lost Lattice deck truss bridge over Black River on Chicago & North Western Railway
Removed

CNW - Bow Creek Bridge (Cedar County, Nebraska)
Built 1916
Lost Double-intersection Warren deck truss bridge over Bow Creek on Chicago & North Western Railway
Removed but not replaced

CNW - Coon Branch Pony Truss (Lafayette County, Wisconsin)
Lost Double-intersection Warren pony truss bridge over Coon Branch on Chicago & North Western Railway
Removed but not replaced

CNW - Des Plaines River Bridge (Cook County, Illinois)
Built 1883
Lost Through truss bridge over Des Plaines River on Chicago & North Western Railway
Replaced by a new bridge

CNW - Galena River Bridge (Jo Daviess County, Illinois)
Lost Quadrangular lattice through truss over Galena River on Abandoned Chicago & Northwestern RR
No longer exists

Lawrence Avenue Bridge (1899) (Cook County, Illinois)
Built 1899
Lost Double-intersection Warren pony truss bridge over North Branch Chicago River on Lawrence Avenue and Chicago Surface Lines
Replaced by a new bridge

Poplar Grove Road Bridge (Dodge County, Wisconsin)
Built 1883
Double-intersection Warren pony truss bridge over Union Pacific RR on Poplar Grove Road in Town of Lebanon


RI - Colona Bridge (1883) (Henry County, Illinois)
Built 1883
Lost Pratt through truss bridge over Rock River on Chicago, Rock Island & Pacific Railroad
Replaced by a new bridge

RI - Duck Creek Lattice Truss (Scott County, Iowa)
Built 1884
Lost Lattice through truss bridge over Duck Creek on Chicago, Rock Island & Pacific Railroad
Replaced by a new bridge

RI - Matheson Bridge (Elbert County, Colorado)
Built 1883
Abandoned two-span through truss bridge over Big Sandy Creek on former Rock Island RR east of Matheson
Railroad line discontinued with tracks removed

RI - Rock River Bridge (S) (Rock Island County, Illinois)
Lost Pratt through truss bridge over Rock River South Channel on Chicago, Rock Island & Pacific Railroad
Replaced by a new bridge

Sangamon Valley Trail - Spring Creek Bridge (Sangamon County, Illinois)
Truss, 1918
Lattice deck truss bridge over Spring Creek on Sangamon Valley Trail (Rail-Trail)
Open to pedestrians only

Scofield Road Overpass (Dodge County, Wisconsin)
Scofield Road, ca. 1891
Double-intersection Warren pony truss bridge over Union Pacific Railroad (Formerly Chicago & Northwestern) on Scofield Road near Lebanon
Relocated

UP - Lick Creek Bridge (Sangamon County, Illinois)
Built 1921
Lattice deck truss bridge over Lick Creek on Railroad
abandoned but intact