Myrtle Creek Arch Bridge (Douglas County, Oregon)
Built 1922, Rehabilitation & Widening 2007
Concrete arch bridge over South Umpqua River on CR 386 in Myrtle Creek
Open to traffic

N. Sunny Point Road Bridge (Milwaukee County, Wisconsin)
Built 1928
Deck truss bridge over N. Sunny Point Road on CNW RR in Glendale
Open to traffic

Napoleon Bridge (Henry County, Ohio)
Built 1929 by D.H. Overman; replaced 2005
Lost seven-span concrete arch bridge over Maumee River on OH 108 at Napoleon
Replaced by a replica bridge

Navajo Bridge (Coconino County, Arizona)
Built 1927-1929; bypassed by parallel bridge in 1995
Steel arch bridge over Colorado River on Alt US 89
Open to pedestrians only

Neosho River Bridge (Neosho County, Kansas)
Built 1928
Through truss bridge over Neosho River, 1.2 mi. south and 0.4 mi. west of Erie
Open to traffic

Neosho River Bridge (Coffey County, Kansas)
Built 1926
Two-span Marsh arch bridge over Neosho River on 19th Road, 0.2 mi. east of Hartford
Open to traffic

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 Athens Railroad Viaduct (St. Clair County, Illinois)
Built 1928. Open to railroad traffic above and vehicle traffic below. Slated to be removed October 2008.
Deck plate girder bridge over IL 13 on I.C.& Gulf R.R. in New Athens
Open to traffic

New Blaine Bridge (Logan County, Arkansas)
Built 1929
Concrete tee beam bridge over Little Shoal Creek on AR 197
Open to traffic

Newark Bay Lift Bridge (Essex County, New Jersey)
Built 1924-25; demolished 1980
Lost vertical lift bridge over Newark Bay on the Central Railroad of New Jersey
Lost

Newman Road Bridge (Gibson County, Indiana)
Built 1927
Pony truss bridge over Newman Lateral on Newman Road
Open to traffic

Niangua River Old US 66 Bridge (Webster County, Missouri)
Built 1924
Pony truss bridge on Route CC (Old US 66) over East Fork Niangua River
Open to traffic

Niemans Creek Katy Bridge (Callaway County, Missouri)
Built 1926 by the American Bridge Co.
Pony plate girder bridge over Niemans Creek on the Katy Trail (former MKT Railroad)
Open to pedestrians and bicyclists only

Norfolk-Southern French Broad Bridge #5 (Cocke County, Tennessee)
Built 1927
Baltimore (Pratt) truss bridge on Norfolk-Southern Railway
Open to traffic

North Avenue Viaduct (Milwaukee County, Wisconsin)
Built 1921; Replaced 1991
Lost Open-spandrel arch bridge over Milwaukee River on E North Avenue in Milwaukee
Replaced by new bridge

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

North Creek Old US 66 Bridge (Livingston County, Illinois)
Built 1926
Concrete bridge over North Creek on Old US 66 (originally IL 4) in Pontiac
Closed to all 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 Spring Street over the Los Angeles River (Los Angeles County, California)
Built 1928; rehabilitated 1939, seismic upgrade 1992
Concrete arch bridge over Los Angeles River on North Spring Street in Los Angeles
Open to traffic

North Williston Bridge (Chittenden County, Vermont)
Built 1925 by the Standard Engineering & Contracting Co.; closed to traffic in 1990; replaced 1993
Lost through truss bridge over Winooski River on North Williston Road
Replaced by new bridge

North Yamhill River Bridge (Yamhill County, Oregon)
Built 1921
Deck truss bridge over North Yamhill River on Southbound OR 99W
Open to traffic

Oak Grove Bridge (Madison County, Missouri)
Built 1922; made obsolete by new bridge in 1972
Pony truss bridge over Barnes Creek on CR 504 (Old MO 72, formerly MO 70) west of Fredericktown
Open to traffic on a paved road

Oakland Bridge (Douglas County, Oregon)
Built 1925
Deck truss bridge over Calapooya Creek on Shady Highway in Oakland
Open to traffic

Oakwood Avenue Bridge (Waukesha County, Wisconsin)
Built 1928, Replaced 2007
Lost stringer bridge over Fowler Lake on Oakwood Avenue in Oconomowoc
Replaced by new bridge

Oats Creek Bridge (Jackson County, Arkansas)
Built 1929; replaced 2005
Lost three-span concrete arch bridge over Oats Creek on Bradford Road (CR 1)
No longer exists

Oconomowoc River Hwy 16 Bridge (Waukesha County, Wisconsin)
Built 1924
Stringer bridge over Oconomowoc River on Wisc 16 - West Wisconsin Avenue in Oconomowoc
Open to traffic

Okatibbee Creek Bridge (Lauderdale County, Mississippi)
Built 1926
Pony truss bridge over Okatibbee Creek on Old US 80 in Meridian
Open to traffic

Okoboji Bridge (Dickinson County, Iowa)
Built 1929; rehabilitated 1979
Concrete deck girder bridge over East Okoboji Lake on US 71 & IA 9 in Okoboji
Open to traffic

Old Bristol Highway Bridge (Carter County, Tennessee)
Built 1929
Three-span Pratt Truss bridge over Watauga River on State Highway 400 (Old U.S. 19-E) in Elizabethton
Open, but soon to be replaced by new concrete girder bridge

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 Five Road Bridge (Morgan County, Missouri)
Built 1922
Pony truss on Old Five Road over a branch of Little Gravois Creek
Open to traffic

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 Mattole Road Bridge (Humboldt County, California)
Built 1926
Pony truss bridge over Mcnutt Creek on Old Mattole Road
Open to traffic

Old Mines Bridge (Washington County, Missouri)
Built 1923; rehabilitated 1933; replaced Summer 2007
Lost pony truss bridge over Old Mines Creek on MO 21
Replaced by a new bridge

Old Mo. 21 (Washington County, Missouri)
Built 1925
Bridge over Breton Creek on Old Alignment of Mo. 21 in Potosi
Open to traffic

Old Mo. 32 (St. Francois County, Missouri)
Built 1924
Bridge over Unnamed creek on Old Alignment of Mo. 32
Open to traffic

Old Paper Mill Bridge (Baltimore County, Maryland)
Built 1922; replaced 2001; rehabilitated as historic landmark in 2007
Bridge over Loch Raven Reservoir on an old alignment of Paper Mill Rd
Closed to all traffic

Old Route E Bridge (Newton County, Missouri)
Built 1922; made obsolete by bridge on new alignment in 1974
Five-span arch bridge over Shoal Creek on Old Route E, northwest of Granby
Open to traffic

Old Stable Bridge (St. Louis, Missouri)
Built 1922; rehabilitated 2003
Replica concrete arch bridge on Theatre Drive in Forest Park
Open to traffic

Old Topanga Road Bridge (Los Angeles County, California)
Built 1927; rehabilitated 1960
Wooden bridge over Old Topanga Creek on Old Topanga Road in Los Angeles
Open to traffic

Old US 50 Viaduct (Cooper County, Missouri)
Built 1924
Tee beam bridge over the Union Pacific Railroad on Old US 50, just north of current US 50
Open to traffic

Oldtown Bridge (Bonner County, Idaho)
Built 1926-27; replaced 1988
Lost four-span Parker through truss bridge over Pend Oreille River on US 2 in Oldtown
Replaced by new bridge

Olympic Boulevard over the Los Angeles River (Los Angeles County, California)
Built 1925
Concrete arch bridge over Los Angeles River and railroad tracks on Olympic Boulevard in Los Angeles
Open to traffic

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

Osceola Arch Bridge (St. Clair County, Missouri)
Built 1928; replacement bridge completed 1974
Lost open-spandrel arch bridge on MO 13 over Osage River (Truman Reservoir) near Osceola
Replaced by a new bridge

Otowi Suspension Bridge (Santa Fe County, New Mexico)
Bridge was built under the direction of James A. French and was one of the best built bridges during that time. Bridge was bypassed by current bridge in 1948.
Bridge over Rio Grande River on Carried local road alongside NM 502
Open to pedestrians

Ouachita River US 67 Bridge (Hot Spring County, Arkansas)
Built 1929; rehabilitated 1957
Three-span arch bridge over Ouachita River on US 67
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 Coast Highway over Las Flores Creek (Los Angeles County, California)
Built 1926; rehabilitated 1931
Concrete tee beam bridge over Las Flores Creek on Pacific Coast Highway (CA 1) in Malibu
Open to traffic

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

Paoli Pike Bridge (Floyd County, Indiana)
Built 1921
Two-span concrete arch bridge over Little Indian Creek on Paoli Pike
Open to traffic

Pasadena Freeway (CA 110) over the Los Angeles River (Los Angeles County, California)
Built 1929
Bridge over Los Angeles River on Pasadena Freeway (CA 110) in Los Angeles
Open to Traffic

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

Paup's Spur Bayou Old US 67 Bridge (Miller County, Arkansas)
Built 1929 by contractor McGuire & Cavender. Made obsolete 1954 by a new parallel alignment of US 67.
Concrete bridge over Paup's Spur Bayou on CR 138 (Old US 67) northeast of Texarkana
Open to traffic on a frontage road

Pawnee Creek Bridge (Bourbon County, Kansas)
Built 1929
Through arch bridge over Pawnee Creek, 4.0 mi. north and 2.4 mi. east of Hiattville
Open to traffic

Payette River Bridge (Payette County, Idaho)
Built 1927
Through truss bridge over Payette River on US 95
Open to traffic

Pea River Bridge (Dale County, Alabama)
Opened Aug. 3, 1921
Concrete arch bridge over Pea River on US 231
Open to pedestrians only

Pearl Street Bridge (Kent County, Michigan)
Built 1922; rehabilitated 1983
Stringer bridge over Grand River on Pearl Street in Grand Rapids
Open to traffic

Pedro Bridge (Benton County, Arkansas)
Built 1917 by the Pope Construction Co. of Jefferson City, MO
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

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

Pico Canyon Road over Pico Creek (Los Angeles County, California)
Built 1924; rehabilitated 1956, Replaced 2000
Concrete slap over Pico Creek on Pico Canyon Road
Replaced by new bridge

Piney Creek US 167 Bridge (Sharp County, Arkansas)
Built 1928 by Fred Luttjohann; widened in 1956
Open-spandrel arch bridge over Piney Creek on US 167 in Evening Shade
Open to traffic

Plass Ditch Bridge (Knox County, Indiana)
Built 1925
Pony truss bridge over Plass Ditch on CR 1350 South
Open to traffic

Platt Street Bridge (Hillsborough County, Florida)
Built 1926
Bascule bridge over Hillsborough River on Platt Street in Tampa
Open to traffic

Plattsmouth Bridge (Mills County, Iowa)
Built 1929
Through truss toll bridge over Missouri River on US 34 at Plattsmouth
Open to traffic

Plum Creek Bridge (Madison County, Missouri)
Built 1922
Tee beam bridge over Plum Creek on CR 504 (Old MO 72)
Open to traffic

POC Next to Glendale Blvd. Bridge (Los Angeles County, California)
Built 1929
Wooden arch bridge over Los Angeles River on Glendale Blvd. in Los Angeles
Open to Pedistrians

POC over Fern Dell Creek (Los Angeles County, California)
Built 1921; rehabilitated 1927
Wooden POC
Open to Pedistrians

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

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

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

Port Arthur Street Bridge (Sevier County, Arkansas)
Built 1923
Small arch bridge over Little Bear Creek on Port Arthur Street in De Queen
Open to traffic

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

Prairie Dog Creek Bridge (Phillips County, Kansas)
Built 1924
Pony truss bridge over Prairie Dog Creek, 1.5 mi. south and 1.0 mi. west of Long Island
Open to traffic

Prescott Bridge (Pierce County, Wisconsin)
Built as a private toll bridge 1923; tolls removed 1946; removed 1991
Lost Bridge over St. Croix River on US 10 in Prescott
Replaced by new bridge

Pretty Prairie Road Bridge (Tippecanoe County, Indiana)
Built 1925; rehabilitated 1977
Four-span concrete arch bridge over Tippecanoe River on Pretty Prairie Road
Open to traffic

Pyatt Arch Bridge (Marion County, Arkansas)
Built 1923 by M.K. Orr Contracting Co. of Harrison
Three-span closed-spandrel arch bridge over Crooked Creek on Spur US 62 at Pyatt
Open to one-lane traffic

Pyrtle Spring Bridge (Reynolds County, Missouri)
Built 1923; made obsolete by a new bridge in 1968
Three-span pony truss bridge over Sinking Creek on Old MO 21
Open to traffic on a paved road with a 12 ton weight limit

Quick City Bridge (Johnson County, Missouri)
Built or relocated 1929; replaced 1999
Lost through truss bridge over Big Creek on CR SW 1541
Replaced by a new bridge

Quincy Memorial Bridge (Adams County, Illinois)
Built 1928-1930; rehabilitated 1981
Cantilevered through truss bridge over the Mississippi River on eastbound US 24 at Quincy
Open to two lanes of eastbound traffic

R.H. Henry Bridge (Warren County, Mississippi)
Built 1929
Through truss bridge over Big Black River on Old US 80
Open to traffic

Railey Creek Bridge (Stone County, Missouri)
Built 1923
Through truss bridge over Railey Creek on MO 413 (formerly MO 13)
Open to traffic

Ramsey Branch Old US 61 Bridge (Cape Girardeau County, Missouri)
Built 1928
Pony truss bridge over Ramsey Branch on Old US 61 just south of intersection with MO 74 and South Sprigg Street in Cape Girardeau
Open to traffic on a dead-end paved road

Ramsey Creek Bridge (Fayette County, Illinois)
Abandoned 1954 after new bridge built to the east
Abandoned through truss bridge over Ramsey Creek on US 51, 6 miles north of Vandalia
Abandoned, but intact and in good condition

Ramsey Creek Bridge (Fayette County, Illinois)
Built 1929
Pony truss bridge over Ramsey Creek on TR 19, 3.5 mi. northeast of Ramsey
Open to traffic

Raytown Road Bridge (Jackson County, Missouri)
Built 1920; reduced to one-way traffic in 2004; rehabilitated 2005
Wooden trestle bridge over the dismantled Rock Island Railroad on Raytown Road in Raytown
Open to one-lane northbound traffic

Red Bridge (Allamakee County, Iowa)
Built 1920; rehabilitated 1948
Timber through truss over Yellow River on Fuel Hollow Road
Abandoned with deck removed

Reid Creek Bridge (Iron County, Missouri)
Built 1925
Bridge over Reid Creek on Mo Route 21
Open to traffic

Republican River Bridge (Republic County, Kansas)
Built 1921
Through truss bridge over Republican River, 1.0 mi. south and 1.0 mi. west of Republic
Open to traffic

Republican River Bridge (Clay County, Kansas)
Built 1927
Through truss bridge over Republican River, 0.5 mi. south and 1.3 mi. west of Morganville
Open to traffic

Republican River US 24 Bridge (Clay County, Kansas)
Built 1928; rehabilitated 1983; replaced 2005
Lost(?) cantilevered through truss bridge over Republican River on US 24
No longer exists

Reynolds Road Bridge (Posey County, Indiana)
Built 1925
Pony truss bridge over Black River on Reynolds Road
Open to traffic

Richland Creek Bridge (Shelby County, Illinois)
Built 1923
Pony truss bridge over Richland Creek on CH 40
Open to traffic

Richmond Bridge (Fort Bend County, Texas)
Opened July 23, 1925; parallel bridge built 1965; closed to traffic Nov. 1986; demolished July 14, 1988
Lost cantilevered through truss over Brazos River on US 90A at Richmond
Removed