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.

Air Line Railroad Bridge (Middlesex County, Connecticut)
Built 1872
Lost Linville-Piper Variant Whipple through truss bridge over Connecticut River on New York, New Haven & Hartford Railroad
Replaced by a new bridge

Bergfeld Pond Bridge (Dubuque County, Iowa)
Built 1872
Pratt through truss bridge over Bergfeld Pond at Bergfeld Park on Pedestrian path
Open to pedestrians only

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

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

BNSF - English Creek Bridge (East) (Marion County, Iowa)
Girder, 1892
Through Girder Bridge over English Creek on BNSF Railway
Open to traffic

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

BNSF - Sun River Bridge (Cascade County, Montana)
1899 Span, 1928
Warren through truss bridge over Sun River on Railroad (BNSF)
Open to traffic

BO - Arthur Kill Bridge (Richmond County, New York)
Built 1899
Lost Through truss bridge over Arthur Kill Creek on former Baltimore & Ohio RR
Replaced by a new bridge

BO - Bellaire Bridge (1871) (Belmont County, Ohio)
Linville-Piper Variant Whipple Trusses, 1871
Lost Linville-Piper Variant Whipple through truss truss bridge over Ohio River on Baltimore & Ohio Railroad
Replaced by a new bridge

BO - Parkersburg Bridge (Old) (Wood County, West Virginia)
Built 1871
Lost Whipple through truss bridge over Ohio River on Baltimore & Ohio Railroad
Replaced by a new bridge

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

C&A - Louisiana Bridge (Pike County, Missouri)
Short Warrens, 1873
Lost Whipple through truss bridge over Mississippi River on Chicago & Alton Railroad
Replaced by a new bridge

C&S - Mill Gulch Bridge (Jefferson County, Colorado)
Built 1870
Pratt through truss bridge over South Platte River on Denver, South Park & Pacific Railroad, rail bed and bridge converted to road use in 1935. Bridge relocated from this location and preserved in Bailey, CO in 1985
Relocated and preserved

Callowhill Street Bridge (Philadelphia County, Pennsylvania)
Built 1875
Lost Whipple deck truss bridge over Schuylkill River
Replaced by a new bridge

Canalside Rail-Trail - Connecticut River Bridge (Franklin County, Massachusetts)
1880 span, 1880
Whipple through truss bridge over Connecticut River on Canalside Rail-Trail in Montague
Open to pedestrians only

Capital Crescent Trail - C&O Canal Bridge (Washington, District of Columbia)
Whipple span, 1885
Whipple through truss and Pratt through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
Open to pedestrians

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

Cedar Creek Bridge (Adams County, Illinois)
Built 1875
Lost Through truss bridge over Cedar Creek
No longer exists

Chouteau Bridge (Jackson County, Missouri)
Built 1887
Lost three-span Whipple truss bridge over the Missouri River in Kansas City
Replaced by new bridge in 2001

Cincinnati Southern Ohio River Bridge (1st) (Hamilton County, Ohio)
Built 1877
Lost Linville variant Whipple through truss swing bridge over Ohio River on the Cincinnati Southern Railroad at Cincinnati
Superstructure replaced

Cloie Bridge (Dubuque County, Iowa)
Built 1890
Relocated Pratt through truss bridge formerly over Little Maquoketa River on Clay Hill Drive
Replaced by new bridge; truss bridge sitting next to Heritage Trail just NW of Access Road

CN - Dubuque Bridge (Dubuque County, Iowa)
Swing Span, 1899
Mississippi River crossing on BNSF Railway, Canadian National Railway in Dubuque
Open to railroad traffic

CNJ - Lehigh River Bridge (1867) (Northampton County, Pennsylvania)
Built 1867
Lost truss bridge over Lehigh River on LR&E Railroad
No longer exists

CNTP - New River Viaduct (1st) (Scott County, Tennessee)
Per ASCE Proceedings Volumes 18-21, 1879
Lost Fink deck truss bridge over New River on Cincinnati Southern Railway/Cincinnati, New Orleans, & Texas Pacific Railway
Replaced by a new bridge

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

CNW - Little Wind River Bridge (Fremont County, Wyoming)
Built 1927
Whipple through truss bridge over Little Wind River on Chicago & North Western Railway
Removed but not replaced

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

CSX - White River Bridge (Marion County, Indiana)
Built 1886
Through truss bridge over White River in Indianapolis
Derelict/abandoned

CTA Green Line/IC Overpass (Cook County, Illinois)
Built 1892
Lost Pennsylvania through truss bridge over Illinois Central Railroad on Chicago Transit Authority Green Line
Removed

DN - Tounge River Bridge (Pembina County, North Dakota)
Built 1899
Pony/through plate girder bridge over Tounge River on Dakota Northern Railroad
Open to traffic

Dravosburg Bridge - Older (Allegheny County, Pennsylvania)
Built 1889
Lost Pennsylvania through truss bridge over Monogahela River
Replaced by a new bridge 1951

Eads Bridge (St. Louis, Missouri)
Substructure, 1874
Three-span steel arch bridge over the Mississippi River and N. Leonor K. Sullivan Blvd. in downtown St. Louis
Upper vehicular deck open to vehicular traffic on weekdays. Closed on weekends; Lower railroad deck open

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

FEC - St. Johns River Bridge (Jacksonville, Old) (Duval County, Florida)
Superstructure
Lost Pratt through truss bridge over St. Johns River on Florida East Coast Railway
Replaced by a new bridge

Frisco Bridge (Shelby County, Tennessee)
Union Bridge Co. Superstructure Subcontractor, 1892
Cantilevered through truss railroad bridge over the Mississippi River at Memphis
Open to railroad traffic

Hannibal Bridge (First) (Jackson County, Missouri)
Superstructure Contractor, 1869
Lost Linville-Piper Variant Whipple through truss bridge over Missouri River on Railroad in Kansas City
No longer exists

Heritage Trail - 1872 Bridge Rest Stop (Dubuque County, Iowa)
Built 1872
Pratt through truss bridge on Heritage Trail
Open to pedestrians only

IC - Argyle South Bridge (Lafayette County, Wisconsin)
Likely Builder, 1888
Lost Whipple through truss bridge over Pecatonica River on Illinois Central Railroad
Replaced by a new bridge

IC - Buffalo Creek Bridge (Linn County, Iowa)
Lost Linville variant Whipple through truss bridge over Buffalo Creek on Railroad (IC)
Replaced by a new bridge

IC - Central City Bridge (Linn County, Iowa)
Lost Linville variant Whipple through truss bridge over Wapsipinicon River on Railroad (IC)
Replaced by a new bridge

IC - First Dubuque Bridge (Dubuque County, Iowa)
Built 1868
Lost Pratt through truss bridge over Mississippi River on Former Illinois Central Railroad
Replaced by a new bridge

IC - Pecatonica River Bridge (Green County, Wisconsin)
Built 1900
Lost Linville variant Whipple through truss bridge over Pecatonica River on Illinois Central Railroad
Destroyed by flooding

Illinois Central - Wabash River Bridge (Sullivan County, Indiana)
Built ca. 1885
Lost swing bridge over Wabash River on Illinois Central RR
No longer exists

Keokuk Bridge (Old) (Lee County, Iowa)
Fabricator, 1871
Lost Linville-Piper Variant Whipple through truss bridge over Mississippi River on Railroad/Road
Replaced by a new bridge

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

Lewisburg Susquehanna River Covered Railroad Bridge (Union County, Pennsylvania)
contractor, superstructure, 1871
Lost Bridge over Susquehanna River between Lewisburg and Montandon
Replaced by a new bridge

LN - Newport & Cincinnati Bridge (Hamilton County, Ohio)
Built 1872
Lost Linville-Piper Variant Whipple through truss bridge over Ohio River on L&N Railroad
Superstructure replaced

Lower Trenton Bridge (1875) (Mercer County, New Jersey)
Built 1875
Lost Pratt through truss bridge over Delaware River on PRR
Superstructure replaced

LS&MS - Iron Curtain Bridge (Older) (Cuyahoga County, Ohio)
Built 1867
Lost Whipple through truss bridge over Cuyahoga River on LS & MS RR
No longer exists

LS&MS - Swan Creek Bridge (Old) (Lucas County, Ohio)
superstructure, 1869
Lost Whipple through truss bridge over Swan Creek on LS & MS RR
No longer exists

Mead Avenue Bridge (Crawford County, Pennsylvania)
likely fabricator of the entire 1871 superstructure, 1871
Two-span Whipple through truss bridge over French Creek on Mead Avenue in Meadville
In storage or disassembled

MSTL - Tracy Bridge (Mahaska County, Iowa)
Built 1907
Lost Whipple through truss bridge over over Des Moines River on Railroad
Removed

NH - Seymour Covered Bridge (New Haven County, Connecticut)
1879 Pratt, 1849
Lost Bridge over Naugatuck River on New York, New Haven & Hartford Railroad
Replaced by a new bridge

NH - Shetucket River Bridge (1876) (New London County, Connecticut)
Built 1876
Lost Whipple through truss bridge over Shetucket River on Norwich & Worcester Railroad in Norwich
Replaced by a new steel bridge

NM - Missouri River Bridge (St. Charles County, Missouri)
Built 1868
North Missouri Railroad Fink deck truss and Trellis through truss bridge at St. Charles, MO
Upgraded 1880-1884

NYLB - Raritan River Bridge (Old) (Middlesex County, New Jersey)
Built 1875
Lost Whipple through truss bridge over Raritan River on New York & Long Branch Railroad
Replaced by a new bridge

Oak Ridge Bridge (Nelson County, Virginia)
Built 1882
Pratt through truss bridge over Norfolk Southern Railway on Wilson Road (Route 653)
Replaced by a new bridge December 2019

Omaha Bridge #15 (Old) (Ramsey County, Minnesota)
Built 1885
Lost Lattice through truss bridge over Mississippi River on Chicago, St. Paul, Minneapolis & Omaha Railway
Replaced by a new bridge

Pierceville Road Bridge (Plymouth County, Massachusetts)
Built 1878
Pony truss bridge over Massachusetts Coastal Railroad on Pierceville Road in Wareham
Open to traffic

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

PRR - Arsenal Bridge (Old) (Philadelphia County, Pennsylvania)
Built 1862
Lost Whipple through truss bridge over the Schuylkill River on Pennsylvania Railroad
No longer exists

PRR - Maumee River Bridge (1880) (Lucas County, Ohio)
3 south Whipple spans, 1880
Lost Pratt through truss bridge over Maumee River on Pennsylvania RR
Replaced by a new bridge

PRR - Ohio Connecting Railroad Bridge (1890) (Allegheny County, Pennsylvania)
Built 1890
Lost Through truss bridge over Ohio River on Pennsylvania Railroad
Replaced by a new bridge

PVRR - Third Level Canal Outflow Bridge (Hampden County, Massachusetts)
Built 1879
Pratt through truss bridge over Third Level Canal Outflow on Pioneer Valley Railroad
Open to traffic but track currently used for storage

Smith Avenue High Bridge (Old) (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

South High Street Bridge (Franklin County, Massachusetts)
Built 1880
Abandoned pony/through plate girder bridge over NH/B&M Turners Falls Branch on South High Street in Montague
Derelict/abandoned

The Overhead Bridge (Crawford County, Ohio)
Lost Pratt through truss bridge over Railroad on Street
No longer exists

UP - Blair Bridge (Old) (Washington County, Nebraska)
Built 1883
Lost Whipple through truss bridge over Missouri River on Union Pacific Railroad
Superstructure replaced

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

Wabash - First Missouri River Bridge (St. Charles County, Missouri)
Built 1884
Lost bridge over the Missouri River with Trellis through truss and Whipple through truss spans
Replaced by new bridge erected about 1/2 mile north (downstream)

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

Wyoming Heritage Trail - Black Bridge (Fremont County, Wyoming)
Built 1925
Whipple through truss bridge over Wind River on Wyoming Heritage Trail (former railroad)
Open to pedestrians