Keystone Bridge Co.

of Pittsburgh, Pennsylvania
View Exhibit map

Aden Road Bridge (Prince William County, Virginia)
Built 1882
Through truss bridge over Southern Railroad on Aden Road in Nokesville
Open to traffic

Blevins Bridge (Carter County, Tennessee)
Built 1889
Pin-connected Pratt through truss bridge over Doe River on Old Tweetsie Railroad
Open to single-lane traffic

Brown Street Bridge (Crawford County, Pennsylvania)
Built 1899
Lost through truss bridge over Oil Creek on Brown Street
Replaced by new bridge

CNW Mississippi River Bridge (Clinton, East Channel) (Whiteside County, Illinois)
Built 1865
McCallum through truss bridge over Cat Tail Slough on Railroad
Replaced by a new bridge

CSX White River Bridge (Marion County, Indiana)
Built 1886
Through truss bridge over White River in Indianapolis
Open to traffic

Fairground Street Bridge (Warren County, Mississippi)
Built 1895
Abandoned Pratt through truss over Illinois Central Railroad on Fairground St; one span was approach span Dubuque RR Bridge (1868 bridge) shortened by 1 panel (approx. 12 ft). 2nd span was also a RR bridge of unknown origin - shortened by 13.5 ft.
Abandoned

First Cincinnati Southern Railroad Bridge (Hamilton County, Ohio)
Built 1877
Lost through truss swing bridge over Ohio River on the Cincinnati Southern Railroad at Cincinnati
Superstructure replaced

Frisco Bridge (Shelby County, Tennessee)
Built 1892
Cantilevered through truss railroad bridge over the Mississippi River at Memphis
Open to railroad traffic

Keystone Bridge (Park County, Colorado)
Built ca. 1870
Wrought-iron through truss bridge over North Fork South Platte River at Bailey
Open to pedestrians only

Lemont Rail Bridge (Cook County, Illinois)
Built 1898
Swing through truss bridge over Chicago Sanitary and Ship Canal on BNSF Railroad in Lemont
Open to traffic

Oak Ridge Railroad Overpass (Nelson County, Virginia)
Built 1882
Pratt through truss bridge over Norfolk Southern Railway on Wilson Road (Route 653)
Open to traffic

Old Keokuk Bridge (Lee County, Iowa)
Built 1871
Lost Through truss bridge over Mississippi River on Railroad/Road
Replaced by a new bridge

Old Plattsmouth Railroad Bridge (Cass County, Nebraska)
Main spans, 1880
Lost Whipple through truss bridge over Missouri River
Replaced by new bridge

Pine Creek Park Bridge (Fairfield County, Connecticut)
Built ca 1870-72
Pratt pony truss bridge over Pine Creek on a pedestrian path in Pine Creek Park
Open to pedestrians

Riverside Avenue Bridge (Fairfield County, Connecticut)
Built 1871
Whipple through truss bridge over Northeast Corridor (Metro North Railroad) on Riverside Avenue
Open to traffic

Santa Fe Railroad S&S Canal Bridge (Cook County, Illinois)
Substructure, 1898
Two track Pratt through truss bridge over Sanitary & Ship Canal on BNSF (former Santa Fe) Railroad
Open to traffic

Smith Avenue High Bridge (Ramsey County, Minnesota)
Built 1889
Lost deck truss bridge over Mississippi River and Canadian Pacific Railway on MN 149 at St. Paul
Replaced by new bridge

Spottsville Railroad Bridge (Henderson County, Kentucky)
Built 1926
Through truss swing bridge over Green River on CSX Railroad (formerly L&N Railroad)
Open to traffic

Valley Road Bridge (York County, Pennsylvania)
Fabricator, 1870
Wrought iron pony truss bridge over Valley Road on the Stewartstown Railroad
Intact, but out of service since 2004

White Water Creek Bridge (Dubuque County, Iowa)
Built 1872
Through truss bridge over White Water Creek on Whitewater Drive
Replaced by a new bridge; Truss bridge relocated to a park in Dubuque

Windsor Harbor Bridge (Jefferson County, Missouri)
Built 1874
Wrought-iron through truss over Rock Creek on Windsor Harbor Road in Kimmswick
Open to pedestrians only