Pittsburgh-Des Moines Steel Co.
of Des Moines, Iowa & Pittsburgh, Pennsylvania
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Belleville Bridge (Webster County, Iowa)
Built 1937Lost Warren through truss with all verticals bridge over Des Moines River on 340th StreetReplaced by a new bridge
Black River Bridge (Gila County, Arizona)
Built 1930Deck truss bridge over Black River on BIA Route 9Open to traffic
BNSF - Old Galveston Causeway (1912) (Galveston County, Texas)
As PDM Structural Group; Orange, Texas Plant; 1987 Bascule Fabricator, 1912Modern lift bridge with concrete arch approach spans over Galveston Bay on BNSF Railway (and former highway)Open to railroad traffic only
Brush Creek Bridge (Marshall County, Iowa)
Built 1917Pony truss bridge over Brush Creek on Wallace Avenue/CTH T31Open to traffic
Cochranton Bridge (Crawford County, Pennsylvania)
Fabricator, 1930Lost Parker through truss bridge over French Creek on PA 173 in CochrantonReplaced by a new bridge in 2015
CP - Rock River Bridge (Byron) (Ogle County, Illinois)
Built 1953Deck plate girder bridge over Rock River on Canadian Pacific Railway (former CGW)Open to traffic
Dinkey Bridge (Story County, Iowa)
Built 1940Lost Steel stringer bridge over Ioway (Formerly Squaw) Creek on Fort Dodge, Des Moines & Southern Railroad (former Ames and College Railroad) in AmesDemolished
Eastern River Bridge (Lincoln County, Maine)
Built 1936Through truss bridge over Eastern River on ME 197 in DresdenOpen to traffic
Fleming Park Bridge (Allegheny County, Pennsylvania)
Fabricator, 1955Through truss bridge over Ohio River Back Channel on Neville AvenueOpen to traffic
I-280 Bridge (Scott County, Iowa)
Superstructure, 1970Steel through arch bridge over Mississippi River on I-280 in DavenportOpen to traffic
Jefferson Street Viaduct (Wapello County, Iowa)
Design, 1936Deck truss bridge over Des Moines River on Jefferson Street in OttumwaOpen to traffic
KFR - Kamloops Island Bridge (Stevens County, Washington)
Built 1941Warren through truss bridge over Kettle River on BNSF RailwayOpen to traffic
Main Street Bridge (Franklin County, Vermont)
Built 1934Parker pony truss bridge over Missisquoi River on TR 2/FAS 302 in RichfordOpen to traffic
Marquette-Prairie Bridge (Crawford County, Wisconsin)
Steel Fabrication, 1932Lost suspension bridge over Mississippi River on US 18Replaced by a new bridge
MO 113 Nodaway River Bridge (Nodaway County, Missouri)
Contractor, 1932Lost through truss bridge over Nodaway River on MO 113Replaced by a new bridge
MO YY Bear Creek Bridge (Gentry County, Missouri)
contractor, 1927Pony truss bridge over Bear Creek on Route YY (former MO 29)Open to traffic
MO YY Middle Fork Grand River Bridge (Worth County, Missouri)
contractor, 1927Pony truss bridge over Middle Fork Grand River on Route YY (formerly MO 29)Intact but closed to all traffic
Morse Bridge (Oxford County, Maine)
Built 1935Steel through arch bridge over Androscoggin River on ME 108 Bridge Street in RumfordOpen to traffic
Muscatine Bridge (Muscatine County, Iowa)
Truss, 1972Polygonal Warren through truss bridge over Mississippi River on IA 92/IL 92 at MuscatineOpen to traffic
Old US 169 Neosho River Bridge (Neosho County, Kansas)
Built ca. 1930Through truss bridge over Neosho River, 3.13 mi. north of K-39 N. Jct.Open to traffic
Pocahontas Bridge (Randolph County, Arkansas)
Built 1934Through truss bridge with a center swing span over Black River on US 67 NB at PocahontasReplaced by a new bridge
Point Marion Bridge (Greene County, Pennsylvania)
Built 1930Lost cantilevered through truss bridge over the Monongahela River on PA 88Replaced by new bridge
Rocky Fork Road Bridge (Licking County, Ohio)
Built 1928Polygonal Warren pony truss bridge over Rocky Fork on Rocky Fork Road (TR 210)Open to traffic, 70% legal
Salt Fork Red River Bridge (Collingsworth County, Texas)
Built 1939Through truss bridge over Salt Fork of Red River on Northbound US 83
SE 6th Street Bridge (Old) (Polk County, Iowa)
Built 1906Lost Pratt through truss bridge over Des Moines River on SE 6th StreetReplaced by a new bridge
SMART - Haystack's Landing Bridge (2015) (Sonoma County, California)
As PDM Structural Group; Orange, Texas Plant; 1987 Bascule Fabricator, 2015Warren through truss bridge over Petaluma River on Sonoma-Marin Area Rail TransitOpen to traffic
UP - 250th Street Overpass (Kossuth County, Iowa)
Built 1940Bridge over CR B30/250th Street on Union Pacific RailroadOpen to traffic
UP - 3rd Street Bridge (Story County, Iowa)
Built 1936Steel stringer bridge over 3rd Street (County Road S14) on Union Pacific RailroadOpen to traffic
US136 Chariton River Bridge (Schuyler County, Missouri)
Contractor, 1932Lost through truss bridge over Chariton River on US 136Replaced by new bridge
Village Bridge (2nd) (Orange County, Vermont)
Fabrication, 1924Lost Deck plate girder bridge over White River on Main StreetDestroyed by flooding
Waterbury Bridge (Washington County, Vermont)
Built 1924Lost through truss bridge over Winooski River on US 2Replaced by new bridge
Whiteoak Creek Bridge (Boone County, West Virginia)
Fabricator, 1932Pony truss bridge over Whiteoak Creek on WV 3Open to traffic
Wilson Stream Bridge (Franklin County, Maine)
Built 1937Through truss bridge over Wilson Stream on ME 156 in ChestervilleOpen to traffic