Neosho River Bridge (Neosho County, Kansas)
Built 1908
Through truss bridge over Neosho River, 2.4 mi. west of Erie
Closed to all traffic

Neosho River Bridge (Lyon County, Kansas)
Built ca. 1940
Through truss bridge over Neosho River, 0.5 mi. west of Neosho Rapids
Open to traffic

Neosho River Bridge (Labette County, Kansas)
Pratt through truss bridge over Neosho River
Open to authorized vehicles only

Neosho River Bridge (Neosho County, Kansas)
Built 1954
Through truss bridge over Neosho River, 0.4 mi. west of Shaw
Open to traffic

Neosho River K-58 Bridge (Neosho County, Kansas)
Built 1937
Through truss bridge over Neosho River on K-58
Open to traffic

Neosho River US 75 Bridge (Coffey County, Kansas)
Built 1934; Lost 2006
Through truss bridge over Neosho River on US 75
Lost

Nepesta Bridge (Pueblo County, Colorado)
Built 1905-06 by the Pueblo Bridge Co.; replaced 1989
Lost two-span through truss bridge over Arkansas River on Nepesta Road (CR 613) southeast of Boone
Replaced by a new bridge

Nevins Covered Bridge (Parke County, Indiana)
Built 1920 by J.A. Britton
Covered bridge over Little Raccoon Creek on CR S130E
Open to traffic

New Canal Bridge (Madison County, Illinois)
Built ca. 1963
Pair of cantilevered through truss bridges over Chain of Rocks Canal on I-270 in Granite City
Open to traffic

New Germantown Covered Bridge (Perry County, Pennsylvania)
Built 1891
Covered bridge over Shermans Creek on TR 302
Open to traffic

New Harmony Bridge (Posey County, Indiana)
Built 1932
Closed four-span through truss toll bridge over Wabash River on IL 14 at New Harmony, Indiana
Open to toll traffic

New Hope Bridge (Bartholomew County, Indiana)
Built 1913; rehabilitated 1999
Two-span through truss bridge over Flatrock River on CR 400 North in Columbus
Open to traffic

New Steelbridge Rd. Bridge (Dawson County, Georgia)
Built 1980
Bridge over Amicalola Creek on Steelbridge Rd.
Open to traffic

Newburg Road Bridge (Macon County, Illinois)
Built 1898
Through truss bridge over Friends Creek on Newburg Road (TR 23), 1.0 mi. east of Argenta
Closed to all traffic

Newport Bridge (Jackson County, Arkansas)
Built 1930
Cantilevered through truss bridge on AR 367 (formerly US 67) over White River at Newport
Open to two-lane traffic

Newport Covered Bridge (Vermillion County, Indiana)
Built 1885 by J.J. Daniels; rehabilitated 1983
Covered bridge over Little Vermillion River on CR 50 North
Open to traffic

Newport Railroad Bridge (Jackson County, Arkansas)
Built 1938 by the Virginia Bridge Co.
Through truss swing bridge over White River and CR 10 on the Union Pacific Railroad south of Newport
Open to railroad traffic

Niangua Arm US 54 Bridge (Camden County, Missouri)
Built 1930; replaced 1999
Lost cantilevered through truss bridge over Niangua Arm, Lake of the Ozarks, on US 54 southwest of Camdenton
Replaced by a new bridge

Niangua River Route K Bridge (Dallas County, Missouri)
Built or relocated here in 1936; rehabilitated 1994
Through truss bridge over Niangua River on Route K
Open to traffic

Nineteenth Street Bridge (Denver County, Colorado)
Built 1888 by the Missouri Valley Bridge & Iron Works; rehabilitated 1965; closed to traffic 1986; new bridge built 1992
Two-span wrought-iron through truss bridge over South Platte River on 19th Street in Denver
Open to pedestrians only

Nineveh Bridge (Adair County, Missouri)
Built 1885; replaced 1989
Lost through truss bridge over Old Channel Chariton River on CR 175 east of Connelsville
Replaced by a concrete bridge

Ninnescah River Bridge (Sumner County, Kansas)
Built 1962
Through truss bridge over Ninnescah River, 2.0 mi. east and 3.8 mi. south of Belle Plaine
Open to traffic

Noakes Bridge (Nodaway County, Missouri)
Built 1891-92 by the St. Joseph Bridge & Iron Co.; replaced 1991
Lost through truss over One Hundred and Two River on 130th Street (CR 156) southwest of Hopkins
Replaced by a concrete bridge

Norfork Railroad Bridge (Baxter County, Arkansas)
Built ca. 1909
Three-span through truss bridge over North Fork White River and Prospect Street on the railroad at Norfork
Open to railroad traffic

Norris Ford Bridge (Rush County, Indiana)
Built 1916 by E. L. Kennedy
Covered bridge over Flatrock River on CR 300 North
Open to traffic

North Avenue Bridge (Cook County, Illinois)
Built 1907
Double-leaf bascule through truss bridge over North Branch Chicago River on North Avenue in Chicago
Open to two-lane traffic

North Big River Bridge (St. Francois County, Missouri)
Built 1924; made obsolete by new bridge in 1956
Through truss bridge over Big River on Old US 67 (Berry Road) north of Bonne Terre
Closed to traffic

North Boat Ditch Bridge (Clark County, Arkansas)
Built ca. 1928
Through truss bridge over North Boat Ditch on CR 8
Open to one-lane traffic

North Branch Root River Bridge (Fillmore County, Minnesota)
Built 1939
Through truss bridge over North Branch Root River on CR 124
Open to traffic

North Branch Root River MN 250 Bridge (Fillmore County, Minnesota)
Built 1924
Through truss bridge over North Branch Root River on MN 250
Open to traffic

North Cut Ditch Bridge (Scott County, Missouri)
Built 1923; rehabilitated 1941
Through truss bridge on MO 77 over North Cut Ditch northwest of Diehlstadt
Open to one-lane traffic

North Fork Coal Creek Bridge (Fountain County, Indiana)
Built 1901
Through truss bridge over North Fork Coal Creek on CR 200 East
Open to traffic

North Fork Coal Creek Bridge (Fountain County, Indiana)
Built 1915
Through truss bridge over North Fork Coal Creek on CR 500 East
Open to traffic

North Railroad Street Bridge (Rush County, Indiana)
Built 1901 by the New Castle Bridge Co.
Through truss bridge over Little Flatrock River on North Railroad Street
Closed to all traffic

North River Bridge (Madison County, Iowa)
Built ca. 1920; rehabilitated 1967
Through truss bridge over North River on a local road
Open to traffic

North River Bridge (Marion County, Missouri)
Lost through truss bridge over North River somewhere near Palmyra
No longer exists

North River MO 168 Bridge (Marion County, Missouri)
Built 1932
Four-span through truss bridge over North River on MO 168, west of Palmyra
Open to two-lane traffic

North Wea Creek Bridge (Miami County, Kansas)
Built 1905
Parker through truss bridge over North Wea Creek, 3.5 mi. south and 7.8 mi. west of Louisburg
Closed to all traffic

Norwood Creek Bridge (McCurtain County, Oklahoma)
Built 1948; replaced 2005
Lost through truss bridge over Norwood Creek on OK 87
No longer exists

Oak Dale Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Through truss bridge over Straight Fork on Oak Dale Road northwest of Latham
Open to one-lane traffic with a 15 ton weight limit

Oakalla Covered Bridge (Putnam County, Indiana)
Built 1898 by J.J. Daniels
Covered bridge over Big Walnut Creek on CR 375W
Open to traffic

Occoquan River Bridge (Prince William County, Virginia)
Parker through truss bridge over Occoquan River on Richmond, Fredericksburg and Potomac Railroad
Open to traffic

Offutt's Ford Covered Bridge (Rush County, Indiana)
Built 1884 by Kennedy Bros.
Covered bridge over Little Blue River on Offutt Bridge Road
Open to traffic

Ohio River I-77 Bridge (Washington County, Ohio)
Through truss bridge over the Ohio River on I-77 near Marietta
Open to traffic

Okabena Bridge (Jackson County, Minnesota)
Built 1936; replaced 1998
Lost through truss bridge over Jack Creek on CSAH 9 at Okabena
Replaced by a modern bridge

Old Alton Bridge (Denton County, Texas)
Built 1884 by the King Bridge Co.; later bypassed
Through truss bridge over Hickory Creek on Copper Canyon Road in Denton
Open to pedestrians only

Old Alton Road Bridge (Oregon County, Missouri)
Through truss bridge over Warm Fork Spring River on the old Thayer-Alton Road near Thayer
Closed to all traffic

Old Appleton Bridge (Cape Girardeau County, Missouri)
Built 1879 by H.W. Sebastian & Co. of St. Louis; washed away by flash flood on December 3, 1982; reconstructed 2005
Wrought-iron through truss bridge over Apple Creek on Main Street in Old Appleton
Open to pedestrians and bicyclists only

Old Arkadelphia Bridge (Clark County, Arkansas)
Built before 1907, possibly by Stupp Brothers Bridge & Iron Co.
Lost two-span through truss bridge over Ouachita River at Arkadelphia carrying AR 7, AR 8, and AR 51
Replaced by the current Arkadelphia Bridge

Old Barn Bridge (Fillmore County, Minnesota)
Built 1914
Through truss bridge over Mill Pond South Branch Root on Heron Rd.
Open to traffic

Old Camp Nelson Bridge (Garrard County, Kentucky)
Built 1927 and replaced the Camp Nelson Covered Bridge. However, in turn, it was replaced by the new (US 27) Camp Nelson Bridge in 1972.
Parker Truss bridge over Kentucky River on Old Lexington Road
Closed to all traffic

Old Chain of Rocks Bridge (St. Louis, Missouri)
Built 1929; closed to traffic in 1968; reopened for pedestrians on June 5, 1999
Cantilevered through truss bridge over the Mississippi River on Old US 66 just south of the modern I-270 bridge in St. Louis
Open to pedestrians and bicyclists

Old Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1871; rehabilitated 1955
Two-span through truss bridge over Kentucky River on KY 2328 (Old US 25) in Lexington
Open to traffic

Old Cleves Bridge (Hamilton County, Ohio)
Built 1914 by the Penn Bridge Co.; parallel bridge built 1959-60; closed to traffic Feb. 1988; replaced 1990
Lost four-span through truss bridge over the Great Miami River on eastbound US 50 at Cleves
Replaced by modern bridge

Old Grade Road Bridge (Adair County, Missouri)
Built 1924; replaced 1989
Lost skewed through truss bridge over North Fork Salt River (Brashear Ditch) on CR 285 (Old Grade Road) south of Brashear
Replaced by a concrete bridge

Old Highway 66 Bridge (Warrick County, Indiana)
Built 1941
Two span Parker through truss bridge over Little Pigeon Creek on Old Highway 66
Open to traffic

Old Katy Bridge (Geary County, Kansas)
Built 1913 by the Pencoyd Bridge & Construction Co.
Through truss bridge over Lyon Creek on Otter Creek Road, just southeast of Wreford
Open to traffic

Old Monroe Bridge (Lincoln County, Missouri)
Built 1930
Three-span through truss bridge over Cuivre River on Main Street (Old MO 79) in Old Monroe
Closed to all traffic as of March 2008

Old Monroe Railroad Bridge (Lincoln County, Missouri)
Three-span through truss bridge over Cuivre River on the BNSF Railroad at Old Monroe
Open to railroad traffic

Old Monticello Road Bridge (Bradley County, Arkansas)
Lost swing through truss bridge over Saline River on AR 4 (now US 278) between Warren and Monticello
Replaced 1949 by a new bridge located upstream

Old Richardsville Road Bridge (Warren County, Kentucky)
Built 1889
Three span Bowstring Arch Truss bridge over Barren River on Old Richardsville Road in Bowling Green
Open to traffic

Old River Bridge (Saline County, Arkansas)
Built 1899 by the Youngstown Bridge Co. of Youngstown, Ohio; closed to traffic in 1974
Two-span through truss bridge over Saline River on the Old Military Road near Benton
Abandoned with portions of deck missing

Old River Road Bridge (Warrick County, Indiana)
Built 1893
Through truss bridge over Little Pigeon Creek on Old River Road
Open to traffic

Old Rusty Bridge (Clay County, Iowa)
Built 1901 by the Clinton Bridge & Iron Works; relocated here in 1915
Through truss bridge over Little Sioux River on 210th Avenue north of Spencer in Spencer
Open to one-lane traffic

Old St. Charles Bridge (St. Charles County, Missouri)
Completed 1904; closed to traffic in 1992; finally dismantled in 1997
Lost four-span through truss bridge over the Missouri River at St. Charles
Replaced by a new bridge

Old TN 100 Bridge (Davidson County, Tennessee)
Parker through truss bridge over South Harpeth River on Old Harding Rd. (Old TN 100) in Nashville
Closed to all traffic

Old Vicksburg Bridge (Warren County, Mississippi)
Built 1930
Cantilevered through truss bridge over the Mississippi River at Vicksburg just north of the I-20 bridge in Vicksburg
Closed to all vehicular and pedestrian traffic, but still used by the Kansas City Southern railroad

Old Yankton Road Bridge (Minnehaha County, South Dakota)
Built 1895 by S.M. Hewett
Through truss bridge over Big Sioux River on Old Yankton Road in Sioux Falls
Open to pedestrians only

Olin Covered Bridge (Ashtabula County, Ohio)
Built 1873; reconstructed 1993
Covered bridge over Ashtabula River on Dewey Road (TH 334) in Edgewood
Open to traffic

Onion Creek Bridge (Montgomery County, Kansas)
Built 1911 by the Western Bridge Co.
Through truss bridge over Onion Creek just south of US 166 near Coffeyville
May or may not still be standing

Only Bridge (Hickman County, Tennessee)
Derelict through truss bridge over Duck River on TN 50 near Only
Derelict with deck and approaches removed

Orange Road Bridge (Delaware County, Ohio)
Built 1898 by the Toledo Bridge Co.; rehabilitated 1970
Through truss bridge over Olentangy River on Orange Road (TR 114) in Powell
Open to one-lane traffic

Oregon City Covered Bridge (Butte County, California)
Built 1983 by Clay Castleberry
Modern covered bridge over Oregon Gulch Creek on Oregon Gulch Road at Oregon City
Open to traffic

Oregon Creek Covered Bridge (Yuba County, California)
Built 1860 by Thomas Freeman
Covered bridge over Oregon Creek on Alleghany Road at Oregon Creek Campground
Open to traffic

Organ Ferry Bridge (Ralls County, Missouri)
Lost through truss bridge near New London
No longer exists

Oriana Bridge (Stonewall County, Texas)
Built 1917 by the Missouri Valley Bridge & Iron Co.; modified 1918 by Austin Brothers; closed to traffic 1995
Through truss bridge over Salt Fork Brazos River on CR 207
Unknown status

Oriental Covered Bridge (Juniata County, Pennsylvania)
Built 1908; rehabilitated 1987
Covered bridge over West Branch Mahantango Creek on PA 2023
Open to traffic

Orleans Avenue Bridge (Minnehaha County, South Dakota)
Through truss bridge was closed to traffic for many years, posing a safety hazard resulting in the city councils decision to remove it
Lost through truss bridge over Big Sioux River on Orleans Avenue in Dell Rapids
Removed

Orr Road Bridge (Washington County, Arkansas)
Built 1924
Through truss bridge over Illinois River on Orr Road (CR 67) just off AR 265, southeast of Prairie Grove
Open to one-lane traffic

Osage City Railroad Bridge (Cole County, Missouri)
Through truss bridge on the Union Pacific Railroad over Osage River at Osage City
Still in use

Osage Creek Bridge (Benton County, Arkansas)
Built 1911 by the Youngstown Bridge Co. of Youngstown, Ohio
Through truss bridge over Osage Creek on CR 71 southeast of Healing Springs
Open to one-lane traffic

Osage Fork MO 32 Bridge (Laclede County, Missouri)
Built 1933
Through truss bridge over Osage Fork on MO 32
Open to traffic

Osage River MO 7 Bridge (Benton County, Missouri)
Built 1930; replaced in the 1970s by a new bridge with the creation of Truman Reservoir
Lost through truss bridge over Osage River on MO 7 (formerly MO 35) west of Warsaw
Removed

Osceola Bridge (St. Clair County, Missouri)
Lost two-span through truss bridge over Osage River at Osceola
Demolished with the creation of Truman Reservoir

Otter Creek Bridge (Chautauqua County, Kansas)
Built 1936 by the Works Progress Administration
Through truss bridge over Otter Creek, 4.2 mi. north of Cedarvale
Open to traffic

Otter Creek Covered Bridge (Ripley County, Indiana)
Built 1884 by Thomas A. Hardman; closed to traffic 1996
Covered bridge over Otter Creek on CR 850 West
Open to pedestrians only

Ouachita River AR 27 Bridge (Montgomery County, Arkansas)
Lost through truss bridge over the Ouachita River on AR 27
No longer exists

Owens Mill Bridge (Cedar County, Missouri)
Built ca. 1910 by the Canton Bridge Co.
Through truss bridge over Bear Creek on CR 1801
Open to one-lane traffic

Ozark Mill Bridge (Christian County, Missouri)
Two-span through truss bridge over Finley Creek on W. McCracken Street (Old US 65) in Ozark
Open to traffic

Pa Fork of Fish Creek Bridge (Marshall County, West Virginia)
Built 1924
Through truss bridge over Pa Fork of Fish Creek on US 250
Open to traffic

Pacific Covered Bridge (Franklin County, Missouri)
Lost covered bridge over Meramec River on what is now Route F near Pacific
Replaced by a new bridge just downstream when Route F was built

Packsaddle Bridge (Roger Mills County, Oklahoma)
Built 1929-30; replaced 1985
Lost 26-span through truss bridge over South Canadian River on US 283
Replaced by a modern bridge

Palisades Bridge (Minnehaha County, South Dakota)
Built 1881 by S.M. Hewitt & Co.
Through truss bridge over Split Rock Creek on 485th Avenue at Palisades State Park
Open to one-lane traffic

Palmyra Covered Bridge (Marion County, Missouri)
Lost two-span covered bridge over North River just north of Palmyra
No longer exists

Papinville Bridge (Bates County, Missouri)
Built 1884 by the Kansas City Bridge & Iron Co.; bypassed by new bridge in 1995
Closed through truss bridge over Marais des Cygnes River just west of Papinville
Closed to all traffic

Paradise Road Bridge (Clay County, Missouri)
Built 1896 by the Missouri Valley Bridge & Iron Works of St. Louis; demolished 1979 with the creation of Smithville Reservoir
Lost through truss over Little Platte River near Paradise
Removed

Paris Covered Bridge (Monroe County, Missouri)
Completed ca. 1858 for $5,000 by Joseph C. Elliott; rehabilitated 1952; washed away in 1958
Lost 100-ft covered bridge over Middle Fork Salt River at Paris
No longer exists

Paris Railroad Bridge (Monroe County, Missouri)
Through truss bridge over Middle Fork Salt River on the Norfolk Southern Railroad in Paris
Open to railroad traffic

Paris Truss Bridge (Monroe County, Missouri)
Lost through truss bridge over Middle Fork Salt River on MO 15 (Old US 24) at Paris
Replaced by a modern bridge in 1985

Parker Bridge (Montgomery County, Kansas)
Built 1871 by the Wrought Iron Bridge Co. of Canton, Ohio. Main span replaced with a Camelback through truss in the 1920's. Bridge closed and approach span removed Dec. 19, 1980. Rest of bridge demolished ca. 1988
Lost bowstring through truss bridge over Verdigris River southeast of Coffeyville
No longer exists