145th Avenue Bridge (Kossuth County, Iowa)
Built 1900; replaced by new bridge in 1997Through truss bridge over East Fork Des Moines River on 145th Avenue (CH C12)Open to pedestrians only
1st Street Bridge (Floyd County, Iowa)
Built 1900Two-span closed-spandrel arch bridge over Shell Rock River on 1st Street SW near Nora SpringsOpen to traffic
84th Street Bridge (Minnehaha County, South Dakota)
Built 1900Pony truss bridge over Creek on 84th Street, 1 mi. south of Renner in Mapleton TownshipOpen to traffic
Anderson Bridge (Lyon County, Iowa)
Built 1900Through truss bridge over Rock River on 250th Street north of DoonOpen to traffic
Atchison Railroad Bridge (Atchison County, Kansas)
Built 1900Through truss swing bridge over the Missouri River on the Union Pacific railroad at AtchisonOpen to traffic
Doon Bridge (Lyon County, Iowa)
Built 1900; replaced ca. 2005Lost through truss bridge over Rock River Overflow on 250th Street north of Doon in DoonReplaced by a new bridge
Index Railroad Bridge (Bowie County, Texas)
Built 1899-1900 by the Missouri Valley Bridge & Iron WorksThrough truss swing bridge over Red River on the KCS RailroadOpen to traffic
Johnsonville Railroad Bridge (Humphreys County, Tennessee)
Originally built 1867 as a timber Howe truss bridge; rebuilt
or modified in 1873, 1893, 1900, and 1915; demolished 1945
with the creation of Kentucky LakeLost through truss swing bridge over Tennessee River on the NC&Stl Railway between Eva and (Old) JohnsonvilleNo longer exists
Klondike Road Bridge (Jefferson County, Missouri)
Built 1900 by the St. Louis Bridge & Iron Co. as a two-span
bridge at Times Beach over the Meramec
River. One span relocated here in 1933;
replaced by a new bridge in 1993Lost through truss bridge over Big River on Klondike Road northeast of Morse MillReplaced by modern bridge
Lanesboro Root River Railroad South Crossing (Fillmore County, Minnesota)
Previous span consisted of a wooden Howe through truss bridge. Bridge was washed out during the flooding of 1900 and was subsequentially replaced with the current structure.Pratt pony truss bridge over Root River just 0.2 miles west of Hwy. 250 Bridge on MN Southern Railroad (now Root River Trail)Open to pedestrians
Midland Fredericktown Road Bridge (Columbiana County, Ohio)
Built 1900; rehabilitated 2004Through truss bridge over North Fork Little Beaver Creek on Midland Fredericktown Road (TR 1038) in CalcuttaOpen to traffic
Rockport Bridge (Hot Spring County, Arkansas)
Built 1900 by Stupp Brothers Bridge & Iron Co.; destroyed by flooding in 1990Lost three-span through truss bridge over Ouachita River on AR 84 in MalvernDestroyed by flooding
Satank Bridge (Garfield County, Colorado)
Built 1900 by the Pueblo Bridge Co.Wooden through truss over Roaring Fork River on CR 106 near CarbondaleClosed to all traffic
Sonestown Covered Bridge (Sullivan County, Pennsylvania)
Built 1900; rehabilitated 2001Covered bridge over Muncy Creek on Champion Road (TR 310)Open to traffic
Ten Mile Creek Bridge (Winneshiek County, Iowa)
Built 1900Pony truss bridge over Ten Mile Creek on a local roadOpen to traffic
Upper Iowa River Bridge (Winneshiek County, Iowa)
Built 1900Through truss bridge over Upper Iowa River on a local roadOpen to traffic
UPRR Bridge (Boone County, Iowa)
Built 1900Pony truss bridge over UPRR on a local roadOpen to traffic
UPRR Bridge (Boone County, Iowa)
Built 1900Pony truss bridge over UPRR on a local roadOpen to traffic
Warnke Covered Bridge (Preble County, Ohio)
Built 1900Covered bridge over Swamp Creek on Swamp Creek Road (TR 403)Open to traffic
Watervale Road Bridge (Harford County, Maryland)
Built 1900; rehabilitated 1976Pony truss bridge over Winters Run on Watervale Road in Bel Air NorthOpen to traffic
Windom Railroad Bridge (Cottonwood County, Minnesota)
Built 1900, replacing an earlier bridgeTwo-span through truss bridge over West Fork Des Moines River on the Union Pacific Railroad at WindomOpen to railroad traffic