There are 17,658 bridges in this category · Only showing 7,618 bridges with photos
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Structurally deficient

From: 2015 "Status of the Nation’s Highways, Bridges, and Transit: Conditions and Performance" report to Congress

Bridges are considered “structurally deficient” if (1) significant load-carrying elements are found to be in poor or worse-than-poor condition due to deterioration or damage, or (2) the adequacy of the waterway opening the bridge provides is determined to be insufficient to the point of causing intolerable traffic interruptions due to high water. That a bridge is structurally deficient does not mean it is unsafe.


Youngs Bay Bridge (Clatsop County, Oregon)
Built 1921
Bascule lift bridge over Youngs Bay on US 101 Bus.
Open to traffic

Youngs Creek Bridge (Calaveras County, California)
Built 1915
Concrete tee beam bridge over Youngs Creek on Lime Creek Road
Open to traffic

Youngs Creek CR 234 Bridge (Audrain County, Missouri)
Built ca. 1935; replaced 2008-09
Lost pony truss bridge over Youngs Creek on CR 234
Replaced by new bridge

Youngs Creek CR 256 Bridge (Audrain County, Missouri)
Built ca. 1910 replaced 2011
Lost pony truss bridge over Youngs Creek on CR 256
Replaced in 2011

Youngs Creek CR 350W Bridge (Orange County, Indiana)
Pony truss bridge over Youngs Creek on CR 350 West
Open to traffic

Youngs Creek CR 400S Bridge (Johnson County, Indiana)
Built 1896 by the King Bridge Company; replaced 1993
Lost through truss bridge over Youngs Creek on CR 400 S
Replaced by new bridge

Youngstown-Poland Road Bridge (Lawrence County, Pennsylvania)
Built 1936 by the Fort Pitt Bridge Works
Through truss bridge over Mahoning River on US 224/PA 551 (Youngstown-Poland Road)
Replaced by a new bridge

Yura's Farm Road Bridge (Fayette County, Pennsylvania)
Built 1902 by the Champion Bridge Co.
Pony truss bridge over Browns Run on Yura's Farm Road
Open to traffic

Zaca Creek Bridge No. 2 (Santa Barbara County, California)
Built 1916, lost circa 2010
Concrete tee beam bridge over Zaca Creek on Jonata Park Road
Replaced by new bridge sometime around 2010

Zachary Taylor Highway Bridge (Rappahannock County, Virginia)
Built 1929, removed 2012
Pony truss bridge over Thornton River on Zachary Taylor Highway
Removed and in storage

Zack Wheat Drive Bridge (Caldwell County, Missouri)
Built ca. 1910
Pony truss bridge over Long Creek on S.W. Zack Wheat Drive
Open to traffic

Zalma Bridge (Bollinger County, Missouri)
Built 1929-30, replacing a 1900 span that was then moved to Gipsy
Through truss bridge over Castor River on MO 51 at Zalma
Open to one-lane traffic

Zillah Heights Road Bridge (Yakima County, Washington)
Built 1920; rehabilitated 1965
Pony truss bridge over Svid Canal on Zillah Heights Road in Zillah
Open to pedestrians

Zimmerman Covered Bridge 38-54-01 (Schuylkill County, Pennsylvania)
Built 1880; renovated 1996
Covered single-span Burr arch truss bridge over Lower Little Swatara Creek on Covered Bridge Road
Open to traffic

Zinfandel Lane Bridge (Napa County, California)
Built 1913
Stone arch bridge over Napa River on Zinfandel Lane
Open to traffic

Zinn Bridge (Miami County, Indiana)
Built ca. 1884; rehabilitated 1975; replaced 1993
Lost through truss bridge over Eel River on CR 500 E
Replaced by new bridge

Zion Road Bridge (Montgomery County, Maryland)
Built 1930
Concrete arch bridge over Hawlings River on Zion Road in Laytonsville
Open to traffic

Zorger Road Thru Truss Bridge (Clearfield County, Pennsylvania)
ca1880 as NY Central Railroad Bridge, rails converted to road in 1920
Through truss bridge over West Branch Susquehanna River on TR 421
Open to traffic