Chicago, Illinois (99)
Cook County, Illinois (168)
Deck girder (1,832)
Girder (3,288)
Illinois (2,501)
Open (28,454)
Penn Central Railroad (37)
| Plate girder (2,285)
Span length 250-500 feet (867)
Through truss (9,254)
Total length 250-500 feet (3,382)
Truss (23,615)
Warren through truss (935)
Warren truss (3,959)
|