Rainbow Bridge (Niagara County, New York)
Built 1941
Steel arch bridge over Niagara River on Rainbow Bridge in Niagara Falls. Crosses U.S./Canada Border.
Open to traffic

Ramp Creek Covered Bridge (Brown County, Indiana)
Built 1838 by Henry Wolf; relocated 1932; rehabilitated 1986
Double-barreled covered bridge over North Fork Salt Creek at Brown County State Park in Nashville
Open to two lanes of 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 (Pike County, Missouri)
Pony truss bridge over Ramsey Creek on CR 207
Open to one-lane traffic with a 6 ton weight limit

Ramsour Road Bridge (Ashley County, Arkansas)
Built 1972
Wooden bridge over Coffee Creek Relief on Ramsour Road (CR 11) at Mill Pond southwest of Crossett in West Crossett
Open to one-lane traffic

Range Line Road Bridge (Milwaukee County, Wisconsin)
Built 1935
Concrete arch bridge over Milwaukee River on Range Line Road in River Hills
Open to traffic

Ravenswood Bridge (Mason County, West Virginia)
Cantilevered through truss bridge over Ohio River on US 33 near Ravenswood
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 (Christian County, Missouri)
Three-span pony truss bridge over Bull Creek on Red Bridge Road southeast of Ozark
Open to one-lane traffic

Red Cliff Arch Bridge (Eagle County, Colorado)
Built 1940; rehabilitated 2004
Steel deck arch bridge over Eagle River, Union Pacific Railroad, and Water Street on US 24 at Red Cliff
Open to traffic

Red Cliff Pine Street Bridge (Eagle County, Colorado)
Built 1992
Wooden arch bridge over the Union Pacific Railroad and Eagle River on Pine Street in Red Cliff
Open to traffic

Red Cliff Truss Bridge (Eagle County, Colorado)
Built 1934
Deck truss bridge over Eagle River and the Union Pacific Railroad on Water Street at Red Cliff
Open to traffic

Red River LA 2 Bridge (Bossier Parish, Louisiana)
Built 1955; rehabilitated 1992
Five-span through truss bridge over Red River on LA 2
Open to traffic

Red River US 71 Bridge (Rapides Parish, Louisiana)
Built 1936
Through truss bridge over Red River on US 71 at Fort Buhlow
Open to traffic

Red Wagon Road Bridge (Hot Spring County, Arkansas)
Built ca. 1935
Concrete arch bridge over Ten Mile Creek on Red Wagon Road (CR 72)
Open to one-lane traffic

Renwick Road Bridge (Will County, Illinois)
Built by the Wrought Iron Bridge Co. at an unknown date
Through truss bridge over Du Page River on Renwick Road in Plainfield
Open to one-lane 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 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 Kyle Railroad Bridge (Cloud County, Kansas)
Two-span through truss bridge over Republican River on the Kyle Railroad, northeast of Concordia
Open to traffic

Republican River Pegram Truss Bridge (Cloud County, Kansas)
Built 1893 by the Edge Moor Bridge Works of Wilmington, Delaware
Three-span through truss bridge over Republican River on 190th Road (RS 566), northeast of Concordia
Open to traffic

Rice's Covered Bridge (Perry County, Pennsylvania)
Built ca. 1869; rehabilitated 2003
Covered bridge over Shermans Creek on Kennedy Valley Road (TR 333)
Open to traffic

Rich Fountain Bridge (Osage County, Missouri)
Two-span stone arch bridge over Brush Creek on Route E in Rich Fountain
Open to two-lane traffic

Richards Covered Bridge (Columbia County, Pennsylvania)
Built 1852
Covered bridge over South Branch Roaring Creek on Jepko Road
Open to traffic

Richland Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Richland Creek on CR 390N
Open to traffic

Richland Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Richland Creek on CR 270E
Open to traffic

Richland Creek Bridge (Morgan County, Missouri)
Built 1957
Pony truss bridge over Richland Creek on Route JJ, southwest of Syracuse
Open to one-lane traffic

Richmond Street Railroad Bridge (Elkhart County, Indiana)
Steel stringer bridge with stone abutments over Richmond Street on the Norfolk Southern Railroad in Elkhart
Open to railroad traffic

Riley Creek Bridge (Republic County, Kansas)
Built ca. 1910
Bedstead pony truss bridge over Riley Creek, 6.0 mi. south and 1.8 mi. east of Belleville
Open to traffic

Rings Creek CR 380 Bridge (Wayne County, Missouri)
Built ca. 1960; rehabilitated ca. 1970
Wooden deck bridge over Rings Creek on CR 380
Open to one-lane traffic with a 10 ton weight limit

Rishel Covered Bridge (Northumberland County, Pennsylvania)
Built 1830
Covered bridge over Chillisquaque Creek on Covered Bridge Road
Open to traffic

Rivaux Creek CR 4038 Bridge (Callaway County, Missouri)
Built ca. 1910
Pony truss bridge over Rivaux Creek on CR 4038
Open to traffic

River Aux Vases Route B Bridge (Ste. Genevieve County, Missouri)
Built 1936
Through truss bridge over River Aux Vases on Route B southwest of Ste. Genevieve
Open to one-lane traffic

River Road Bridge (Miami County, Indiana)
Built 1932
Pony truss bridge over Little Pipe Creek on River Road
Open to traffic

Riverdale Road Covered Bridge (Ashtabula County, Ohio)
Built 1900
Covered bridge over Grand River on Riverdale Road (CR 69)
Open to traffic

Riverside Avenue Bridge (Cowley County, Kansas)
Built 1928
Two-span through truss bridge over Walnut River on Riverside Avenue in Winfield
Open to traffic

Riverside Bridge (St. Clair County, Alabama)
Built 1930; rehabilitated 1972
Through truss swing bridge over Coosa River (Logan Martin Lake) on US 78 at Riverside
Open to traffic

Riverside Bridge (Christian County, Missouri)
Built 1909 by the Canton Bridge Co. at Ozark Mill and later relocated here
Two-span through truss bridge over Finley Creek on Riverside Drive north of Ozark in Ozark
Open to one-lane traffic with a 10 ton weight limit on a busy county road

Riverside Drive Bridge Over The Los Angeles River at the Arroyo Seco (Los Angeles County, California)
Built 1939
Deck truss bridge over Los Angeles River on Riverside Drive in Los Angeles
Open to traffic

Roadside Ditch Bridge No. 1 (Lawrence County, Missouri)
Built ca. 1930
Wooden bridge over a roadside ditch on CR 1208, just off MO 174
Open to one-lane traffic

Roadside Ditch Bridge No. 2 (Lawrence County, Missouri)
Built 1948
Wooden bridge over a branch of Turnback Creek on a private lane just off MO 174
Open to one-lane traffic

Roasting Ear Creek Bridge (Stone County, Arkansas)
Built 1936 by the Civilian Conservation Corps
Small three-span stone arch bridge over Roasting Ear Creek on AR 263
Open to two-lane traffic

Rob Roy Bridge (Jefferson County, Arkansas)
Through truss bridge over the Arkansas River on the Union Pacific Railroad northeast of Pine Bluff
Open to railroad traffic

Rob Roy Covered Bridge (Fountain County, Indiana)
Built 1860; rehabilitated 1925
Covered bridge over Big Shawnee Creek on CR 800N
Open to traffic

Robbins Ditch Railroad Bridge (Starke County, Indiana)
Pony plate girder bridge over Robbins Ditch on CSX Railroad
One span open to railroad traffic, one span abandoned

Robbins Ditch Range Road Bridge (Starke County, Indiana)
Built ca. 1930; rehabilitated 1984
Pony truss bridge over Robbins Ditch on Range Road
Open to traffic

Robert Street Bridge (Ramsey County, Minnesota)
Built 1926; rehabilitated 1989
Concrete arch bridge over Mississippi River on Robert Street in St. Paul
Open to traffic

Roberts Covered Bridge (Preble County, Ohio)
Built 1829 by Orlistus Roberts on Old Camden Road; damaged by arson 1986; relocated and restored 1991
Covered bridge over Seven Mile Creek in Eaton
Open to traffic

Robidoux Creek Bridge (Marshall County, Kansas)
Built 1931
Pony truss bridge over Robidoux Creek, 0.5 mi. north and 1.5 mi. west of Frankfort
Open to traffic

Robinson Road Bridge (Washington County, Arkansas)
Built 1926 by the Luten Bridge Co.
Two-span concrete arch bridge over Illinois River on CR 848 (Robinson Road)
Open to one-lane traffic

Rocheport I-70 Bridge (Boone County, Missouri)
Built 1960; rehabilitated 1993
Cantilevered through truss bridge over Missouri River and Katy trail on I-70 west of Columbia and south of Rocheport
Open to four lanes of traffic

Rock Church Road Bridge (Warren County, Missouri)
Built or relocated in 1936
Two-span through truss bridge over Big Creek on N. Rock Church Road east of MO 47
Open to one-lane traffic

Rock Creek Bridge (Cowley County, Kansas)
Through truss bridge over Rock Creek on Atchison, Topeka, and Santa Fe (ATSF) Railroad
Open to traffic

Rock Falls Bridge (Cerro Gordo County, Iowa)
Built 1929 by C.A. Holvik of Mason City, Iowa
Open-spandrel arch bridge over Shell Rock River on Spring Street in Rock Falls
Open to traffic

Rock River Bridge (Rock County, Minnesota)
Built 2000
Bridge over Rock River on Twp 81
Open to traffic

Rock River Bridge (Rock County, Minnesota)
Built 1916
Through truss bridge over Rock River on a local road southeast of Hardwick
Open to one-lane traffic

Rock River Suspension Bridge (Lyon County, Iowa)
Wire suspension bridge over Rock River on private road in Rock Rapids
Open to traffic

Rock River TR 73 Bridge (Rock County, Minnesota)
Built 1918
Pony truss bridge over Rock River on Township Road 73
Open to one-lane traffic

Rock Valley US 18 Bridge (Sioux County, Iowa)
Built 2002
Stringer bridge over Rock River on US 18
Open to traffic

Rock, Nobles, and Western Railroad Bridge and Dam (Rock County, Minnesota)
Bridge over Rock River at City Park in Luverne, 0.3 miles south of Main Street Bridge on Rock, Nobles, and Western Railroad
Open to traffic

Rockford Bridge (Floyd County, Iowa)
Built 1922; rehabilitated 1977
Two-span open-spandrel arch bridge over Shell Rock River on E. Main Avenue in Rockford
Open to traffic

Roebling Suspension Bridge (Hamilton County, Ohio)
Built 1866 by John A. Roebling. Rehabilitated 1955.
Suspension bridge over the Ohio River between Cincinnati and Covington
Open to two-lane traffic

Rolling Fork KY 289 Bridge (Marion County, Kentucky)
Built 1923; rehabilitated 1972
Through truss bridge over Rolling Fork on KY 289
Open to traffic

Rolling Stone Covered Bridge (Putnam County, Indiana)
Built 1915 by J.A. Britton
Covered bridge over Big Walnut Creek on CR 800 North
Open to traffic

Rome Bridge (Douglas County, Missouri)
Built 1913
Two-span through truss bridge over Beaver Creek on CR 76-436 at Rome, beyond the end of Route A
Open to traffic with a 16 ton weight limit

Root River MN 250 Bridge (Fillmore County, Minnesota)
Originally built 1931 in Rochester; relocated here in 1960 to replace a similar bridge that had collapsed
Through truss bridge over Root River on MN 250 north of Lanesboro
Open to traffic

Root Road Covered Bridge (Ashtabula County, Ohio)
Built 1868; rehabilitated 1983
Two-span covered bridge over West Branch Ashtabula River on Root Road
Open to traffic

Rose Creek Bridge (Republic County, Kansas)
Bedstead pony truss bridge over Rose Creek, 2.7 mi. north and 1.0 mi. west of Munden
Open to traffic

Rose Creek Bridge (Republic County, Kansas)
Built 1925
Pony truss bridge over Rose Creek, 2.0 mi. north and 4.7 mi. west of Munden
Open to traffic

Rose Creek Bridge (Republic County, Kansas)
Bedstead pony truss bridge over Rose Creek, 0.5 mi. north and 6.0 mi. west of Munden
Open to traffic

Rosehill Covered Bridge (Lancaster County, Pennsylvania)
Built 1849
Covered bridge over Cocalico Creek on Log Cabin Road
Open to traffic

Roseville Covered Bridge (Parke County, Indiana)
Built 1910 by J.L. Van Fossen; rehabilitated 1977
Two-span covered bridge over Big Raccoon Creek on CR S325W
Open to traffic

Roseville Street Bridge (Logan County, Arkansas)
Built ca. 1935
Pony truss bridge over an unnamed creek on N. Roseville Street in Paris
Open to traffic with a 3 ton weight limit

Rossville Railroad Bridge (Shawnee County, Kansas)
Through truss bridge over Cross Creek on the Union Pacific Railroad at Rossville
Open to traffic

Roubidoux Bridge (Pulaski County, Missouri)
Built 1923; rehabilitated 1939
Five-span concrete arch bridge over Roubidoux Creek on MO 17 in Waynesville
Open to two-lane traffic

Rouggly-Kiepe Road Bridge (Jefferson County, Missouri)
Concrete bridge over Saline Creek on Rouggly-Kiepe Road
Open to one-lane traffic

Round Grove Creek Bridge (Jackson County, Missouri)
Built 1913
Concrete arch bridge over Round Grove Creek on Raytown Road near the Truman Sports Complex in Kansas City
Open to two-lane traffic

Round Spring Bridge (Shannon County, Missouri)
Built 1930
Single open-spandrel arch over Spring Valley Creek on MO 19
Open to traffic on a paved road with no posted weight limits

Roundtree Road Bridge (Greene County, Missouri)
Built by the Canton Bridge Co.
Pony truss bridge over Wilson Creek on Roundtree Road (FM 119/FM 168) in Springfield
Open to one-lane traffic

Route O Bridge (Mississippi County, Missouri)
Built 1936
Stringer bridge over a drainage ditch on Route O
Open to one-lane traffic

Royal Gorge Bridge (Fremont County, Colorado)
Built 1929 for the Royal Gorge Bridge and Amusement Co.
Suspension bridge over the Arkansas River (Royal Gorge) west of Caņon City
Open to vehicular and pedestrian traffic

Ruby Street Bridge (Will County, Illinois)
Built 1935; rehabilitated 1972
Bascule bridge over Des Plaines River on IL 53 (Old US 66) in Joliet
Open to four-lane traffic

Rulo Bridge (Richardson County, Nebraska)
Built 1938
Through truss bridge over Missouri River on US 159 at Rulo
Open to traffic

Rulo Railroad Bridge (Richardson County, Nebraska)
Built 1887; truss sections replaced with new trusses in 1977 but retaining original piers
Warren through truss bridge over Missouri River on BNSF Railroad in Rulo
Open to traffic

Rum River Bridge at CSAH 16 (Mille Lacs County, Minnesota)
Built 1973
Timber stringer bridge over Rum River on Csah 16
Open to traffic

Rupert Covered Bridge (Columbia County, Pennsylvania)
Built 1847; rehabilitated 2000
Covered bridge over Fishing Creek on TR 409 in Bloomsburg
Open to traffic

Rush Creek Covered Bridge (Parke County, Indiana)
Built 1904 by W.M. Hendricks; rehabilitated 1977
Covered bridge over West Fork Rush Creek on CR W900N
Open to traffic

Russell Street Bridge (Minnehaha County, South Dakota)
Built 1955; rehabilitated 1978
Steel stringer bridge over Big Sioux Rv on Russell St (SD Hwy. 38) south of Maple Rd. Bridge in Sioux Falls
Open to traffic

Rye Hill Road Bridge (Sebastian County, Arkansas)
Built 1941 by the Works Progress Administration
Concrete slab bridge over Prairie Creek on Rye Hill Road (CR 90)
Open to traffic

Ryegate Bridge (Golden Valley County, Montana)
Built 1911; rehabilitated 1994
Through truss bridge over Musselshell River on Buffalo Trail (CR 217)
Open to traffic

Sabula Bridge (Iron County, Missouri)
Built 1922; rehabilitated 1945
Two-span open-spandrel arch bridge over Big Creek on MO 49 north of Sabula
Open to traffic

Sac River FM 128 Bridge (Greene County, Missouri)
Concrete arch bridge over Sac River on FM 128, southwest of Bois D'Arc
Open to one-lane traffic

Sac River FM 17 Bridge (Greene County, Missouri)
Concrete bridge over Sac River on Farm Road 17
Open to traffic

Saddle Barn Road Bridge (Lawrence County, Indiana)
Built 1905; rehabilitated 1988
Through truss bridge over Leatherwood Creek on Saddle Barn Road in Bedford
Open to traffic

Sale Creek Bridge (Hamilton County, Tennessee)
Built 1954
Pony truss bridge over Sale Creek on Daugherty Ferry Road
Open to traffic

Salida F Street Bridge (Chaffee County, Colorado)
Built 1907-08 by the Pueblo Bridge Co.
Two-span concrete arch bridge over Arkansas River on F Street in Salida
Open to two-lane traffic on a dead-end city street

Saline Creek MO 17 Bridge (Miller County, Missouri)
Built 1925
Through truss bridge over Saline Creek on MO 17, northeast of Tuscumbia
Open to two-lane traffic

Saline Creek MO 72 Bridge (Madison County, Missouri)
Built 1923; rehabilitated 1975
Pony truss bridge over Saline Creek on MO 72 east of Fredericktown
Open to traffic

Saline Creek Railroad Bridge (Ste. Genevieve County, Missouri)
Through truss railroad bridge over Saline Creek parallel to US 61 north of St. Mary
Still in use

Saline River Bridge (Lincoln County, Kansas)
Built 1905
Pony truss bridge over Saline River, 0.5 mi. west and 0.2 mi. south of Sylvan Grove
Open to traffic

Saline River Tributary Bridge (Russell County, Kansas)
Small two span stone arch bridge over Saline River Tributary
Open to traffic