Ironton-Russell Bridge (Lawrence County, Ohio)
Built 1922
Cantilevered through truss bridge over the Ohio River between Ironton and Russell
Open to traffic

Is 64 Bridge (St. Louis County, Missouri)
Built 1944
Bridge over Is 64 on Mc Cutcheon Rd S in Ladue
Open to traffic above, but scheduled for demolition

Is 64 Bridge (St. Louis County, Missouri)
Built 1937
Steel stringer bridge over Is 64 on Spoede Rd S in Frontenac
Open to traffic above, but scheduled for demolition

Isabell Creek AR 105 Bridge (Pope County, Arkansas)
Built 1928 by the Maxwell Construction Co.
Open-spandrel arch bridge over Isabell Creek on AR 105 near Oak Grove
Open to two-lane traffic

Island Creek Branch Bridge (Jasper County, Illinois)
Arch bridge over a branch of Island Creek on TR 39, 3 mi. northeast of Island Grove
Open to traffic

Island Park Bridge (Lyon County, Iowa)
Low-water crossing over Rock River at Island Park in Rock Rapids
Open to one-lane traffic

Isle du Bois Bridge (Ste. Genevieve County, Missouri)
Built 1924
Concrete bridge over South Fork Isle du Bois Creek on Old TT (formerly US 61)
Open to traffic on a paved dead-end road

Jacks Hollow Covered Bridge (Perry County, Ohio)
Built 1879 by William A. Dean
Covered bridge over Kent's Run on Madison Road (TR 108)
Open to traffic

Jackson Covered Bridge (Cumberland County, Illinois)
Built 2000 as a replica of an 1832 bridge built at this site
Modern covered bridge over Embarras River on IL 11
Open to two-lane traffic

Jackson Covered Bridge (Parke County, Indiana)
Built 1861 by J.J. Daniels; rehabilitated 1977
Covered bridge over Sugar Creek on CR N50W
Open to traffic

Jake's Branch Bridge (Miami County, Kansas)
Built 1908
Through truss bridge over Middle Creek, 8.3 mi. south and 2.0 mi. west of Louisburg
Open to traffic

Jakes Creek Bridge (Pope County, Arkansas)
Built ca. 1930
Pony truss bridge over Jakes Creek on Pilot Rock Mountain Road (CR 16)
Open to traffic

James Drive Bridge (Caldwell County, Missouri)
Through truss bridge over Shoal Creek on N.E. James Drive
Open to traffic

Jamestown Road Bridge (St. Louis County, Missouri)
Stone arch bridge on Old Jamestown Road near Florissant in West Alton
Open to traffic

Jefferson Barracks Bridge (St. Louis County, Missouri)
Westbound bridge built 1984; eastbound bridge built 1986
Parallel tied arch bridges over the Mississippi River on I-255
Open to four lanes of traffic

Jefferson City Bridge (Cole County, Missouri)
Original southbound bridge opened August 1955; new northbound bridge added 1991
Pair of steel through arch bridges over the Missouri River at Jefferson City on US 54/63 in Jefferson City
Open to traffic on a multi-lane freeway

Jefferson Street Bridge (Will County, Illinois)
Built 1932-33 by the Mississippi Valley Structural Steel Co.; rehabilitated 1941
Through truss bascule bridge over Des Plaines River on Eastbound US 30 in Joliet
Open to two-lane traffic

Jefferson Street Bridge (Van Wert County, Ohio)
Built 1934
Closed-spandrel arch bridge over Town Creek on Jefferson Street in Van Wert
Open to traffic

Jenkins Bridge (Barry County, Missouri)
Built ca. 1910
Through truss bridge over Flat Creek on CR 1215 between MO 39 and MO 248
Open to one-lane traffic with a 3 ton weight limit

Jerome Railroad Bridge (Phelps County, Missouri)
Through truss railroad bridge over Gasconade River between Jerome and Arlington
Open to railroad traffic

Jewell Drive Bridge (Caldwell County, Missouri)
Bedstead pony truss bridge over Sheep Creek on Jewell Drive
Open to traffic

Joachim Creek US 61 Bridge (Jefferson County, Missouri)
Built 1933; rehabilitated 1985
Through truss bridge over Joachim Creek on US 61/67 in Herculaneum
Open to four lanes of traffic

John Deere Road Bridge (Caldwell County, Missouri)
Built ca. 1930
Through truss bridge over Shoal Creek on John Deere Road
Open to traffic

John F. Kennedy Memorial Bridge (Jefferson County, Kentucky)
Built 1963
Cantilevered through truss bridge over Ohio River on I-65 in Louisville
Open to six lanes of traffic

John Pectol Road Bridge (Floyd County, Indiana)
Built 1915
Pony truss bridge over Big Indian Creek on John Pectol Road
Open to traffic

John Snodgrass Bridge (Jackson County, Alabama)
Built 1958
Through truss bridge over Tennessee River on AL 117 near Stevenson
Open to traffic

Johnsey Bridge (Walker County, Alabama)
Probably built by the Canton Bridge Co.
Through truss bridge over Blackwater Creek on Johnsey Bridge Road
Open to one-lane traffic

Johnson Covered Bridge (Columbia County, Pennsylvania)
Built 1905
Covered bridge over Mugser Run on Cleveland Road
Open to traffic

Johnson Creek Old US 66 Bridge (Lawrence County, Missouri)
Built 1923; made obsolete by new bridge on US 66 (now MO 96) in 1960
Through truss bridge over Johnson Creek on CR 2062 (Old US 66)
Open to traffic

Johnson Road Covered Bridge (Jackson County, Ohio)
Built 1870; rehabilitated 2000
Covered bridge over Brushy Fork Little Scioto River on Johnson Road
Open to one-lane traffic

Johnson Street Bridge (Elkhart County, Indiana)
Built 1918; rehabilitated 1981
Four-span deck truss bridge over St. Joseph River on Johnson Street in Goshen
Open to traffic

Johnson Village Bridge (Chaffee County, Colorado)
Built 1937
Deck truss over Arkansas River on US 24 at Johnson Village
Open to traffic

Jones Mill Railroad Bridge (Hot Spring County, Arkansas)
Built 1901
Through truss railroad bridge over Cove Creek on the former Rock Island Railroad next to US 270
Open to railroad traffic

Jud Christian Covered Bridge (Columbia County, Pennsylvania)
Built 1876; rehabilitated 1996
Covered bridge over Little Fishing Creek on Ardens Hill Road, northeast of Sereno
Open to traffic

Judsonia Railroad Bridge (White County, Arkansas)
Through truss swing bridge over Little Red River on the Union Pacific Railroad at Judsonia
Open to railroad traffic

Jugtown Road Bridge (Grundy County, Illinois)
Built 1884
Through truss bridge over East Fork Mazon River on Jugtown Road (TR 172), 2.5 mi. west of Braceville
Open to one-lane traffic

Julien Dubuque Bridge (Dubuque County, Iowa)
Built 1943; rehabilitated 1992
Steel through arch bridge over the Mississippi River on US 20 at Dubuque
Open to traffic

Junction Road Bridge (Preble County, Ohio)
Built ca. 1875, probably by the Massilon Iron Bridge Co.
Bowstring through truss bridge over Four Mile Creek on Junction Road
Open to traffic

Junction Spur Bridge (Franklin County, Missouri)
Stone arch bridge over a branch of Pin Oak Creek on Junction Spur, just off MO 100 west of New Haven
Open to traffic

Kaiser Hill Road Bridge (Franklin County, Missouri)
Stone arch bridge over Pin Oak Creek on Kaiser Hill Road, just south of MO 100, west of New Haven
Open to traffic

Kankakee Street Bridge (Will County, Illinois)
Four-span arch bridge over Forked Creek on Kankakee Street in Wilmington
Open to two-lane traffic

Kansas Avenue Bridge (Wyandotte County, Kansas)
Built 1921; rehabilitated 1978 and 2007
Deck truss bridge over Kansas River on Kansas Avenue in Kansas City
Open to four-lane traffic

Kansas River Railroad Bridge No. 1 (Wyandotte County, Kansas)
Built 1904 to replace previous bridge destroyed by 1903 flood
Four-span through truss bridge over Kansas River on the Union Pacific Railroad just north of I-70
Open to single-track railroad traffic

Kansas River Railroad Bridge No. 3 (Wyandotte County, Kansas)
North bridge built 1909; south bridge built 1911
Pair of four-span through truss bridges over Kansas River on the Union Pacific Railroad, just south of the I-670 bridge
Open to traffic

Kansas Street Bridge (Cole County, Missouri)
Two-span stone arch bridge over Wears Creek on Kansas Street in Jefferson City
Open to two-lane traffic

Kaskaskia River Bridge (Douglas County, Illinois)
Built 1895
Through truss bridge over Kaskaskia River on TR 151, 0.2 mi. east of Chestervill
Open to traffic

Kaufman's Distillery Covered Bridge (Lancaster County, Pennsylvania)
Built 1900
Covered bridge over Big Chickies Creek on Sun Hill Road
Open to traffic

KCS Railroad CR 25 Tunnel (Polk County, Arkansas)
Concrete arch bridge/tunnel on the KCS Railroad over CR 25
Open to one-lane traffic

Keefer Covered Bridge (Montour County, Pennsylvania)
Built 1853 by William Butler; rehabilitated 1983
Covered bridge over Chillesquaque Creek on Keefer Mill Road
Open to traffic

Keesler Bridge (Leflore County, Mississippi)
Built 1925 by the Riley-Bailey Construction Co.
Swing through truss bridge over Yazoo River on Grand Blvd. at Greenwood
Open to traffic

Keller's Covered Bridge (Lancaster County, Pennsylvania)
Built 1891
Covered bridge over Cocalico Creek on Rettew Mill Road in Ephrata
Open to traffic

Kelly Road Bridge (Macoupin County, Illinois)
Built 1917; made obsolete by a new bridge on Shipman Road in 1935
Pony truss bridge over Coop Branch on Kelly Road (TR 166), just off Shipman Road
Open to one-lane traffic

Kemna Bridge (Miller County, Missouri)
Built 1924 by Joseph Dice; rehabilitated 1978
Swinging bridge over Tavern Creek on Kemna Bridge Road (CR 52-56) east of St. Elizabeth
Open to traffic with a 15 ton weight limit

Kemper Bridge (St. Louis County, Missouri)
Concrete and stone bridge on Bellefontaine Road at the intersection with Kemper Place in Spanish Lake
Open to traffic

Kemper Road Bridge (Hamilton County, Ohio)
Built 1937 by the Works Progress Administration
Replica stone arch bridge over Sharon Lake on Kemper Road in Sharon Woods Park
Open to traffic

Kemper Road Bridge (Jersey County, Illinois)
Built 1926
Concrete bridge over a branch of Macoupin Creek on Kemper Road (CH 3), 1.2 mi. north of Fidelity
Open to traffic

Kennedy Blvd. Bridge (Hillsborough County, Florida)
Built 1913 by the Edwards Construction Co.
Bascule bridge over Hillsborough River on FL 60 (Kennedy Blvd.) in Tampa
Open to traffic

Kenny Pounds Road Bridge (Pueblo County, Colorado)
Built 1916
Closed-spandrel arch bridge over Graneros Creek on CR 277 (Kenny Pounds Road) in Colorado City
Open to traffic

Kentucky & Indiana Bridge (Jefferson County, Kentucky)
First bridge built 1886; reconstructed 1912; road deck partially collapsed and closed to vehiculuar traffic 1979
Through truss railroad bridge over Ohio River between Louisville and New Albany
Open to railroad traffic

Kentucky River KY 22 Bridge (Henry County, Kentucky)
Built 1931
Through truss bridge over Kentucky River on KY 22 in Gratz
Open to traffic

Keokuk Rail Bridge (Lee County, Iowa)
Replaced for highway traffic 1985 still carries railroad
Through truss bridge over Mississippi River on Railroad
Open to traffic

Keystone Interchange Bridge (Pennington County, South Dakota)
Built 1968
Wooden arch bridge on US 16A
Open to traffic

Kiamichi River Bridge (Le Flore County, Oklahoma)
Built 1966
Pony truss bridge over Kiamichi River on 4044C
Open to traffic

Kilmore Creek US 421 Bridge (Clinton County, Indiana)
Built 1940; rehabilitated 1985
Pony truss bridge over Kilmore Creek on US 421
Open to two-lane traffic

Kimberling City Bridge (Stone County, Missouri)
Built 1956, replacing an earlier truss bridge inundated by the lake
Through truss bridge on MO 13 over Table Rock Lake (White River) at Kimberling City
Open to traffic

Kimmswick Railroad Bridge (Jefferson County, Missouri)
Built 1947, replacing an earlier bridge
Pony truss railroad bridge over Rock Creek in Kimmswick, next to the Windsor Harbor Bridge
Open to railroad traffic

Kincaid Creek Bridge (Pendleton County, Kentucky)
Built 1910
Pony truss bridge over Kincaid Creek on Falmouth-Lenoxburg Road
Open to one-lane traffic

Kinkaid Lake Bridge (Jackson County, Illinois)
Built 1935
Through truss bridge over Kinkaid Lake on IL 151 south of Ava
Open to traffic

Kissee Mills Bridge (Taney County, Missouri)
Built 1953 in conjunction with the creation of Bull Shoals Lake
Through truss bridge over Beaver Creek (arm of Bull Shoals Lake) on US 160 east of Kissee Mills
Open to two-lane traffic

Klein Road Bridge (Moniteau County, Missouri)
Through truss bridge over Petite Saline Creek on Klein Road south of Wooldridge
Open to one-lane traffic

Klinepeter Covered Bridge (Snyder County, Pennsylvania)
Built 1871; relocated in 1982
Covered bridge over Beaver Creek on Railroad Avenue in Beaver Springs
Open to traffic

Knapp's Covered Bridge (Bradford County, Pennsylvania)
Built 1853; rehabilitated 2001
Covered bridge over Browns Creek on Browns Creek Road (TR 554)
Open to traffic

Knob Creek Bridge (Larue County, Kentucky)
Built 1981
Pony truss bridge over Knob Creek on Blanton Road
Open to traffic

Kramer Covered Bridge (Columbia County, Pennsylvania)
Built 1881
Covered bridge over Mud Run on Turkey Path Road, north of Orangeville
Open to traffic

Krape Park Bridge (Stephenson County, Illinois)
Built ca. 1920
Pony truss bridge over Yellow Creek on S. Demeter Drive at Krape Park in Freeport
Open to traffic

Krickbaum Covered Bridge (Columbia County, Pennsylvania)
Built 1876
Covered bridge over South Branch Roaring Creek on All Saints Road
Open to traffic

Kurreville Bridge (Cape Girardeau County, Missouri)
Made obsolete by new bridge on Route BB in 1965
Low-water bridge on Old Route BB over Caney Fork just northwest of Kurreville
Open to traffic on a private lane

Kurtz Mill Covered Bridge (Lancaster County, Pennsylvania)
Relocated 1974
Covered bridge over Mill Creek on Kiwanis Road in Lancaster City Park
Open to traffic

KY 1268 Jessamine Creek Stone Bridge (Jessamine County, Kentucky)
Built 1930; rehabilitated 1966
Stone arch bridge over Jessamine Creek on Ky-1268 in Wilmore
Open to traffic

La Loma Road Bridge over the Arroyo Seco (Los Angeles County, California)
Built 1914
Concrete arch bridge over Arroyo Seco Channel on La Loma Road in Pasadena
Open to traffic

Labadie Bottom Road Bridge (Franklin County, Missouri)
Built 1901 by Stupp Brothers Bridge & Iron Co.
Through truss bridge over Labadie Creek on Labadie Bottom Road
Open to traffic

Labadie Railroad Tunnel (Franklin County, Missouri)
Built 1929
Short railroad tunnel under Route T on the Union Pacific Railroad just southwest of Labadie
Open to two tracks of railroad traffic

Labadie Viaduct (Franklin County, Missouri)
Through truss bridge over Labadie Bottom Road on the Rock Island Railroad at Labadie
Still in use

Lacon Bridge (Marshall County, Illinois)
Built 1939; rehabilitated 1990
Cantilevered through truss bridge over the Illinois River on IL 17 at Lacon
Open to two-lane traffic

Lafave River Arch Bridge (Perry County, Arkansas)
Built 1941 by the Luten Bridge Co.
Three-span open-spandrel arch bridge over Fourche Lafave River on AR 7
Open to traffic

Lafayette Bridge (St. Louis, Missouri)
Built 1935; rehabilitated 1988
Steel deck arch bridge on Grand Drive just south of Union Blvd. in Forest Park
Open to traffic

Lafayette Street Bridge (Washington County, Arkansas)
Built 1938 by contractor Ed B. Mooney, Inc.
Art Deco concrete bridge over the Arkansas & Missouri Railroad on Lafayette Street in Fayetteville
Open to traffic

Lairdsville Covered Bridge (Lycoming County, Pennsylvania)
Built 1928; rehabilitated 1940
Covered bridge over Little Muncy Creek on Covered Bridge Road
Open to traffic

Lake Leatherwood Bridge (Carroll County, Arkansas)
Built 1939 by the Civilian Conservation Corps
Small stone arch bridge over a minor tributary of Lake Leatherwood on CR 204 northwest of Eureka Springs
Open to traffic

Lake Lucerne Bridge (Carroll County, Arkansas)
Built ca. 1910
Stone arch bridge over a drainage ditch on CR 707 in Eureka Springs
Open to traffic

Lake Park Drive Bridge (Milwaukee County, Wisconsin)
Built 1896
Stone arch bridge over a ravine on Lake Park Drive in Milwaukee
Open to traffic

Lake Pontchartrain Causeway (St. Tammany Parish, Louisiana)
First bridge built 1956
Pair of prestressed concrete bridges over Lake Pontchartrain with a length of nearly 24 miles in New Orleans
Open to two lanes of toll southbound traffic and two lanes of free northbound traffic

Lake St. Louis Bridge (St. Charles County, Missouri)
Built 1935; parallel bridge built 1968; rehabilitated 1977
Pony truss bridge over Lake St. Louis (Peruque Creek) on northbound US 40/61 in Lake St. Louis
Open to two lanes of traffic

Lake Taneycomo Bridge (Taney County, Missouri)
Built 1931 by Fred Luttjohann, replacing an earlier truss bridge
Five-span open-spandrel arch bridge over Lake Taneycomo (White River) on MO 76/Business US 65 at Branson
Open to traffic

Lakefront Resort Bridge (Cleburne County, Arkansas)
Built 1938 by the Works Progress Administration
Concrete arch bridge on Old AR 16 at Lakefront Resort, near Edgemont
Open to traffic

Lamb-Fish Bridge (Tallahatchie County, Mississippi)
Built 1905 by the American Bridge Co.
Vertical lift bridge over the Tallahatchie River on Levee Road
Open to traffic

Lamine Mouth Railroad Bridge (Cooper County, Missouri)
Two-span through truss railroad bridge over Lamine River just south of its confluence with the Missouri River
Open to railroad traffic

Lamine River MO 135 Bridge (Cooper County, Missouri)
Built 1959
Pony truss bridge over Lamine River on MO 135
Open to traffic

Lamine River MO 41 Bridge (Cooper County, Missouri)
Built 1933, replacing an earlier bridge
Through truss bridge over Lamine River on MO 41
Open to traffic

Lamine River Old US 40 Bridge (Cooper County, Missouri)
Built 1924
Through truss bridge over Lamine River on Route M (Old US 40) just north of I-70
Open to traffic