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

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

Orleans Bridge (Dickinson County, Iowa)
Originally located near New Hampton; relocated here in 1995
Bowstring pony truss bridge over the outlet below Spirit Lake on the Iowa Great Lakes Bike Trail at Orleans
Open to pedestrians and bicyclists only

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

Orten Creek Bridge (Scott County, Arkansas)
Built 1915; rehabilitated 1984
Pony truss bridge over Orten Creek on CR 60
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 Fork MO 5 Bridge (Laclede County, Missouri)
Built 1932
Three-span pony truss bridge over Osage Fork on MO 5 in Twin Bridges
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

Osage Valley Road Bridge (Cooper County, Missouri)
Built 1913; rehabilitated 1993
Pony truss bridge over Petite Saline Creek on Osage Valley Road
Open to traffic

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

Osiris Bridge (Cedar County, Missouri)
Built ca. 1910; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Ottawa Street Bridge (Newton County, Missouri)
Built by the Canton Bridge Co.
Pony truss bridge over Little Lost Creek on Ottawa Street in Seneca
Open to traffic

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

Ouachita River CR 74 Bridge (Polk County, Arkansas)
Built 1914; replaced 2001
Lost pony truss bridge over Ouachita River on CR 74
Replaced by a new bridge

Ouachita River CR 76 Bridge (Polk County, Arkansas)
Built 1914
Pony truss bridge over Ouachita River on CR 76
Open to one-lane traffic

Owens Ditch Bridge (Benton County, Indiana)
Built ca. 1920
Pony truss bridge over Owens Ditch on CR 225 North
Open to traffic

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

Owl Creek Bridge (Allen County, Kansas)
Built 1909
Pony truss bridge over Owl Creek, 3.4 mi. west of Humboldt
Open to 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

Paint Creek Bridge (Fayette County, Ohio)
Built 1928; rehabilitated 1960
Truss bridge over Paint Creek on Old US 35
Open to traffic

Paint Creek CR 150E Bridge (Carroll County, Indiana)
Built 1903
Pony truss bridge over Paint Creek on CR 150 East
Open to traffic

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

Parkdale Bridge (Fremont County, Colorado)
Built ca. 1915
Pony truss bridge over Arkansas River near Parkdale on CR 157 just off US 50
Open to traffic

Parker Bridge (Armstrong County, Pennsylvania)
Built 1934
Four-span through truss bridge over Allegheny River on PA 368 at Parker
Open to traffic

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

Parkin Bridge (Cross County, Arkansas)
Lost swing through truss bridge over St. Francis River on US 64 at Parkin
Replaced by a new bridge in 1954

Parr's Mill Covered Bridge (Columbia County, Pennsylvania)
Built 1865
Covered bridge over Roaring Creek on Parrs Mill Road, south of Catawissa
Open to traffic

Patoka River Bridge (Orange County, Indiana)
Built 1884
Through truss bridge over Patoka River on CR 850 South
Open to traffic

Patoka River Bridge (Orange County, Indiana)
Built 1888
Through truss bridge over Patoka River on CR 180 East
Open to traffic

Patoka River Bridge (Orange County, Indiana)
Built 1885; rehabilitated 1992
Through truss bridge over Patoka River on CR 700 South
Open to traffic

Patterson Bridge (Wayne County, Missouri)
Built ca. 1922
Two-span pony truss bridge over Clark Creek near Patterson on CR 312 (Old MO 34)
Open to traffic with a 21 ton limit on a paved road

Patton Bridge (Bollinger County, Missouri)
Built 1922
Two-span pony truss bridge over Little Whitewater River on MO 51 in Patton
Open to two-lane traffic on a paved road

Pearl City Bridge (Lincoln County, Tennessee)
Built 1919
Abandoned parker through truss bridge over Elk River on Dyer Road
Abandoned

Pedro Bridge (Benton County, Arkansas)
Built 1922
Through truss bridge over Illinois River on CR 196 between US 412 and Old AR 68
Closed to traffic

Pennington Bayou Bridge (Pulaski County, Arkansas)
Built 1923; replaced 1997
Lost through truss bridge over Pennington Bayou on AR 365 (Old US 65) in Woodson
Replaced by a modern bridge

Penns Creek US 522 Bridge (Snyder County, Pennsylvania)
Built 1941
Two-span through truss bridge over Penns Creek on PA 522 in Selinsgrove
Open to traffic

Perche Creek Katy Trail Bridge (Boone County, Missouri)
Through truss bridge over Perche Creek on the Katy Trail in McBaine
Open to pedestrians and bicyclists only

Perry Bridge (Jefferson County, Kansas)
Built 1926 by the Midland Bridge Co.
Through truss bridge over Delaware River on Bridge Street (Old US 24) just west of Perry in Perry
Open to two-lane traffic

Perry Highway Bridge (Mercer County, Pennsylvania)
Built 1928; rehabilitated 1975
Through truss bridge over Neshannock Creek on PA 19 (Perry Highway)
Open to traffic

Perry Railroad Bridge (Jefferson County, Kansas)
Two-span skewed through truss railroad bridge over the Delaware River just west of Perry
Open to two-track railroad traffic

Peru Bridge (La Salle County, Illinois)
Built 1958
Cantilevered through truss bridge over the Illinois River on IL 251 at Peru
Open to two-lane traffic

Peshtigo River WI 64 Bridge (Marinette County, Wisconsin)
Built 1931; rehabilitated 1979
Through truss bridge over Peshtigo River on WI 64
Open to traffic

Petersburg Road Bridge (Jackson County, Minnesota)
Built 1930; closed to traffic 1984; abandoned 1992; damaged by flooding 1993; later demolished
Lost through truss bridge over West Fork Des Moines River on Petersburg Road in Jackson
No longer exists

Petit Jean River AR 7 Bridge (Yell County, Arkansas)
Built 1930; replaced 1993
Lost pony truss bridge over Petit Jean River on AR 7
Replaced by a new bridge

Petroleum Center Bridge (Venango County, Pennsylvania)
Built 1884 by the Morse Bridge Co.; rehabilitated 1984
Two-span through truss bridge over Oil Creek on PA 1004 (Eagle Rock Road)
Open to one-lane traffic

Petticoat Lane Bridge (Orange County, New York)
Built 1884 by the Groton Iron Bridge Co.
Through truss bridge over Shawangunk Kill on Petticoat Lane, northeast of Bloomingburgh
Open to traffic

Phillips Covered Bridge (Parke County, Indiana)
Built 1909 by J.A. Britton
Covered bridge over Rocky Run on CR 450W, southeast of Montezuma
Open to traffic

Pickerel Creek Bridge (Greene County, Missouri)
Pony truss bridge over Pickerel Creek on FM 128, southwest of Bois D'Arc
Open to one-lane traffic

Pikes Peak Bridge (Pulaski County, Missouri)
Built 1932
Through truss bridge over Gasconade River on MO 17 north of Waynesville
Open to two-lane traffic, but in very poor condition

Pilot Grove Road Bridge (Moniteau County, Missouri)
Built ca. 1940; rehabilitated 1992
Pony truss bridge over Pilot Branch on Pilot Grove Road
Open to traffic

Pinch Creek CR 135 Bridge (Callaway County, Missouri)
Pony truss bridge over Pinch Creek on CR 135
Open to one-lane traffic

Pine Street Bridge (Snyder County, Pennsylvania)
Built 1952; rehabilitated 1992
Three-span pony truss bridge over Penns Creek on E. Pine Street (PA 1011) in Selinsgrove
Open to traffic

Pine Street Bridge (Butler County, Missouri)
Built 1934; rehabilitated 1986. Parallel eastbound bridge built 1975.
Deck truss bridge on westbound Business US 60 (Pine Street) over Black River in Poplar Bluff
Open to two-lane westbound traffic

Pinetown Covered Bridge (Lancaster County, Pennsylvania)
Built 1867; rehabilitated 1974
Covered bridge over Big Conestoga River on Bridge Road (TR 620)
Open to traffic

Pipe Creek Bridge (Ottawa County, Kansas)
Built 1915
Through truss bridge over Pipe Creek on P.7-7 Local, 2.7 mi. west and 6.0 mi. north of Minneapolis
Open to traffic

Plainview Road Bridge (Franklin County, Arkansas)
Built 1940; rehabilitated 1976
Pony truss bridge over an unnamed creek on Plainview Road (CR 537)
Open to traffic

Platte Purchase Bridge (Platte County, Missouri)
Built 1957; rehabilitated 1997
Through truss bridge over the Missouri River on Northbound US 69 in Kansas City
Open to northbound traffic

Platte River MO 45 Bridge (Platte County, Missouri)
Built 1933
Three-span through truss bridge over Platte River on MO 45 in Farley
Open to traffic with a 45 ton limit

Platte River Rail Bridge (Platte County, Missouri)
Baltimore through truss bridge over Platte River on Railroad in Parkville
Open to traffic

Pleasantville Covered Bridge (Berks County, Pennsylvania)
Built 1852 as an uncovered bridge; covered in 1856
Covered bridge over Little Manatawny Creek on PA 1030 (Covered Bridge Road)
Open to traffic

Plum Bayou Bridge (Jefferson County, Arkansas)
Lost four-span pony truss bridge over Plum Bayou on AR 31 (formerly AR 15) south of Sherrill
No longer exists

Pocahontas Bridge (Randolph County, Arkansas)
Built 1934 by the Pittsburgh-Des Moines Steel Co., replacing an earlier through truss structure located closer to the railroad bridge. Parallel bridge built 1986.
Through truss bridge with a center swing span over Black River on US 67 at Pocahontas
Open to two lanes of westbound traffic; eastbound traffic is carried by a parallel deck girder bridge

Pocahontas Railroad Bridge (Randolph County, Arkansas)
Lost through truss railroad bridge with a center swing span over Black River at Pocahontas
Bridge removed, but several concrete piers remain

Point Remove Creek AR 113 Bridge (Conway County, Arkansas)
Built 1926 by the Virginia Bridge & Iron Co.; bypassed ca. 2005
Through truss bridge over Point Remove Creek on AR 113 west of Morrilton
Open to pedestrians only

Point Remove Creek AR 124 Bridge (Conway County, Arkansas)
Built 1957-58
Through truss bridge over West Fork Point Remove Creek on AR 124
Open to traffic

Polk Bayou Bridge (Independence County, Arkansas)
Lost through truss bridge over Polk Bayou in Batesville
No longer exists

Polk Road Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Little Creek on Polk Road (CR 100S)
Open to one-lane traffic

Polo Bridge (Caldwell County, Missouri)
Originally built 1875 over Otter Creek south of Harrison; relocated in Jan. 2002
Relocated bowstring truss bridge in a park in Polo
Open to pedestrians only

Pomeroy-Mason Bridge (Meigs County, Ohio)
Built 1928; rehabilitated 1976
Cantilevered through truss bridge over Ohio River on OH 833 (formerly US 33) between Pomeroy, OH, and Mason, WV
Open to traffic

Pomme de Terre River Bridge (Polk County, Missouri)
Built 1914 by the Canton Bridge Co.
Through truss bridge over Pomme de Terre River on 117th Road, just beyond the end of Route NN
Open to traffic

Pomme de Terre River CR 273 Bridge (Hickory County, Missouri)
Through truss bridge over Pomme de Terre River on CR 273
Open to traffic

Poncha Springs Bridge (Chaffee County, Colorado)
Built 1938
Pony truss bridge over South Arkansas River on US 285 at Poncha Springs
Open to traffic

Poplar Bluff Frisco Railroad Bridge (Butler County, Missouri)
Built 1901, abandoned 1967. Was temporarily converted for vehicular use in 1968 to alleviate traffic problems while the Vine Street Bridge was replaced
Abandoned Frisco Railroad bridge over Black River in Poplar Bluff, several blocks northeast of the courthouse
Abandoned with deck and approaches removed

Poplar Creek CR 341 Bridge (Clay County, Arkansas)
Built 1925; replaced 2001
Lost pony truss bridge over Poplar Creek on CR 341
Replaced by a new bridge

Poplar Creek Railroad Bridge (Roane County, Tennessee)
Through truss bridge over Poplar Creek on the Southern Freight Railroad at the Oak Ridge complex in Oak Ridge
Open to traffic

Popolopen Creek Bridge (Orange County, New York)
Built 1937; rehabilitated 1992
Deck truss bridge over Popolopen Creek on US 9W in West Point
Open to traffic

Port Royal Covered Bridge (Montgomery County, Tennessee)
Bridge built 1903 replacing an older bridge. Bridge continued to be in use until 1955 when an adjacent bridge was built. Bridge collapsed in 1972 and rebuilt in 1977. The bridge was partially destroyed by a tornado in 1998.
Partially collapsed burr arch-truss bridge over Red River on old alignment of Port Royal Road (TN 238) in Port Royal State Park
Partially Collapsed

Porter's Bluff Bridge (Benton County, Arkansas)
Built 1904; replaced 1963
Lost through truss over White River (now Beaver Lake) on AR 12 east of Rogers
Replaced by a modern bridge in conjunction with the creation of Beaver Lake

Portland Bridge (Fremont County, Colorado)
Built 1927
Deck truss over the Arkansas River on CO 120 at Portland in Penrose
Open to traffic

Portland Mills Covered Bridge (Parke County, Indiana)
Originally built 1856 by Henry Wolfe; relocated 1961; arsoned in 1989; reconstructed 1996
Covered bridge over Little Raccoon Creek on CR E650N
Open to traffic

Portland Railroad Bridge (Fremont County, Colorado)
Through truss bridge over the Arkansas River on the Union Pacific Railroad at the Holcim Plant in Portland
Open to traffic

Possum Run Road Bridge (Warren County, Indiana)
Built 1925; rehabilitated 1965
Pony truss bridge over Possum Run on Possum Run Road
Open to traffic

Possum Trot Road Bridge (Moniteau County, Missouri)
Built ca. 1940
Pony truss bridge over Factory Creek on Possum Trot Road
Open to traffic

Poteau River Bridge (Le Flore County, Oklahoma)
Built 1952
Through truss bridge over Poteau River on E1395 (Old US 59) in Poteau
Open to traffic