Niagara Bridge Works

of Buffalo, New York
Maroon Creek Bridge (Pitkin County, Colorado)
Built 1888
Trestle over Maroon Creek on CO 82 at Aspen
Bypassed by a replacement bridge and left in place for pedstrian use.

MEC - Frankenstein Trestle (Carroll County, New Hampshire)
Built 1875
Lost Steel stringer bridge over Frankenstein Cliff (Named for American Artist Godfrey N. Frankenstein) on Maine Central Railroad
Replaced by a new bridge

SG&C - Watkins Glen Bridge (Schuyler County, New York)
Built 1877
Lost Deck truss bridge over Watkins Glen Gorge on former Syracuse Geneva and Corning Railroad
Replaced by new bridge