Kelley Street Bridge (Jefferson County, Missouri)
Wooden deck bridge over Joachim Creek on E. Kelley Street in De Soto
Closed to all 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 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

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

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

Kidd's Mill Covered Bridge (Mercer County, Pennsylvania)
Built 1868; rehabilitated 1990
Covered bridge over Shenango River on Kidds Mill Road (TR 471)
Open to pedestrians only

Kilbourn Bridge (Van Buren County, Iowa)
Built 1908-09 by the Ottumwa Supply & Construction Co.
Six-span through truss bridge over the Des Moines River on Lark Avenue
Closed to all traffic

Kilen Bridge (Jackson County, Minnesota)
Built 1913 by the Minneapolis Bridge Co.; replaced 2004
Lost through truss bridge over West Fork Des Moines River on CSAH 19 at Kilen Woods State Park
Replaced by a modern bridge

Killbuck Creek Bridge (Madison County, Indiana)
Built ca. 1910; rehabilitated 1984
Through truss bridge over Killbuck Creek on CR 450 North
Closed to all traffic

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

Kliethermes Bridge (Miller County, Missouri)
Built ca. 1920 by Joseph Dice; demolished Mar. 12, 2008
Lost swinging bridge over Tavern Creek on Kliethermes Bridge Road (CR A-6) northwest of St. Anthony
No longer exists

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

Knotts Bridge (New Madrid County, Missouri)
Built ca. 1920; rehabilitated 1980; closed to traffic ca. 2000
Abandoned through truss bridge over St. Johns Bayou on CR 732
Closed to all traffic

Knowlton Covered Bridge (Monroe County, Ohio)
Built 1887; rehabilitated 1995
Three-span covered bridge over Little Muskingum River on CR 387A
Open to pedestrians only

Koen Creek Bridge Commerce Drive (St. Francois County, Missouri)
Built 1925
Steel stringer bridge over Koen Creek on Commerce Drive in Esther
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

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

Kubli Road Bridge (Moniteau County, Missouri)
Built ca. 1910
Lost through truss bridge over North Moreau Creek on Kubli Road, southeast of California
Replaced by a new bridge

Kuntz Bridge (Callaway County, Missouri)
Built 1909 by Stupp Brothers Bridge & Iron Co.; replaced 2006
Lost through truss bridge over Cedar Creek on CR 397
Replaced by a new bridge

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

La Russell Bridge (Lawrence County, Missouri)
Through truss bridge over Spring River on CR 1000, northeast of La Russell
Closed to all 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

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

Laflin Bridge (Bollinger County, Missouri)
Built 1908 by Stupp Brothers Bridge & Iron Co.; closed to traffic Dec. 15, 2003; main span demolished Apr. 13, 2005; replacement bridge opened Jan. 2006
Lost through truss bridge over Crooked Creek southwest of Laflin on CR 408, just beyond the end of Route U
Demolished to make way for replacement bridge

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

Lake Elizabeth Road over Amargosa Creek (Los Angeles County, California)
Built 1946
Pony truss bridge over Amargosa Creek on Elizabeth Lake Road in Palmdale
Demolished

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

Lake Park Footbridge (Milwaukee County, Wisconsin)
Built 1905
Concrete arch bridge over Ravine Road on Lake Park in Milwaukee
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

Lambeth Bridge (Laclede County, Missouri)
Built 1908; rehabilitated 1987
Three-span through truss bridge over Osage Fork on Tulsa Road
Closed to traffic

Lambs Creek Old IN 67 Bridge (Morgan County, Indiana)
Built 1893
Through truss bridge over Lambs Creek on Old IN 67
Open to traffic

Lancaster Covered Bridge (Carroll County, Indiana)
Built ca. 1872 by the Wheelock Bridge Co.; rehabilitated 1981; damaged by flooding in 2004, fully rehabilitated and reopened 2006
Covered bridge over Wildcat Creek on CR 500 West
Open to traffic

Landis Mill Covered Bridge (Lancaster County, Pennsylvania)
Built 1873
Covered bridge over Little Conestoga Creek on Sheiner Station Road in Lancaster
Open to traffic

Langley Covered Bridge (St. Joseph County, Michigan)
Built 1887 by Pierce Bodner
Covered bridge over St. Joseph River on Covered Bridge Road
Open to one-lane traffic

Las Flores Road over Las Flores Creek (Los Angeles County, California)
Built 1942
Pony truss bridge over Las Flores Creek on Las Flores Road in Los Angeles
Unknown status

Laughery Creek Bridge (Dearborn County, Indiana)
Built 1878 by the Wrought Iron Bridge Co.
Closed triple-Whipple through truss bridge over Laughery Creek on Old IN 56
Closed to all traffic

Lesterville Bridge (Reynolds County, Missouri)
Built 1917. Closed at around 10 AM on June 15, 2004, with the opening of the new bridge. Main span demolished June 21, 2004.
Lost three-span through truss bridge over Black River on Peola Road (CR 342)
Demolished during June 2004

Levi Branch Bridge (Pope County, Arkansas)
Built ca. 1940
Pony truss bridge over Levi Branch on CR 14 (Old AR 7)
Open to traffic

Lewis Mill Bridge (Daviess County, Missouri)
Completed Oct. 3, 1892, by the St. Joseph Bridge & Iron Co.; replaced 1989
Lost through truss over Grand River on CR 570 (July Avenue) west of Jameson, beyond the end of Route OO
Replaced by a concrete bridge

Lexington Avenue Bridge (Elkhart County, Indiana)
Built 1926 by M.E. White Co. of Chicago
Three-span concrete arch bridge over St. Joseph River on Lexington Avenue in Elkhart
Open to traffic

Liberty Street Bridge (Jefferson County, Ohio)
Built 1928 by the Luten Bridge Co.; rehabilitated 2000
Arch bridge on Liberty Street (CR 61)
Open to traffic

Liberty Street Bridge (Clay County, Missouri)
Built 1921
Arch bridge over Wilkerson Creek on Liberty Street near Smithville
Open to traffic

Lick Creek Bridge (Orange County, Indiana)
Built ca. 1910
Pony truss bridge over Lick Creek on CR 250 South
Open to traffic

Lick Log Creek Bridge (Bollinger County, Missouri)
Originally built across the Castor River at Zalma in 1900 by Stupp Brothers Bridge & Iron Co. of St. Louis. Moved to present location when the current Zalma Bridge was built 1930. Replaced 1995 by another Derelict through truss over Lick Log Creek just south of Gipsy Bridge on CR 736
Abandoned with portions of deck missing, replaced by new truss bridge

Lickford Branch Road Bridge (Harrison County, Indiana)
Built ca. 1920; rehabilitated 1989
Through truss bridge over Indian Creek on Lickford Branch Road
Open to traffic

Licking River Bridge (Nicholas County, Kentucky)
Built 1917
Through truss bridge over Licking River on Old US 68
Open to traffic

Lilleberg Bridge (Jackson County, Minnesota)
Built 1976. Previous span was 8-panel pin-connected Pratt through truss bridge with A-frame portals. That was built in 1911 by Central States Bridge Co. of Indianapolis
Stringer bridge over Des Moines River on Csah 16
Open to traffic

Lime Valley Covered Bridge (Lancaster County, Pennsylvania)
Built 1871
Covered bridge over Pequea Creek on Breneman Road
Open to traffic

Limekiln Creek Bridge (Benton County, Arkansas)
Built ca. 1920
Pony truss bridge over Limekiln Creek on CR 700
Open to traffic

Lincoln Highway (Cty E39) Bridge (Greene County, Iowa)
Built 1924
Steel stringer bridge over a drainage ditch on CR E39 (former Lincoln Highway) in Ralston
Open to traffic

Lincoln Highway Bridge (Allen County, Ohio)
Built 1926, Replaced 2002
Concrete arch bridge over Ottawa River on Lincoln Highway
Replaced 2002, Historical Monument Placed

Lincoln Highway over Pike Run (Allen County, Ohio)
Built 1927
Bridge over Pike Run on Lincoln Highway
Open to traffic

Lincoln Highway Wapsipinicon River Bridge (Clinton County, Iowa)
Built ca. 1930
Two-span pony plate girder bridge over Wapsipinicon River on 235th Street (former Lincoln Highway)
Open to one-lane traffic

Lindley Creek Bridge (Polk County, Missouri)
Built 1911 by the Canton Bridge Co.
Through truss bridge over Lindley Creek on 346th Road, south of MO 64
Open to traffic

Linn Creek Bridge (Marshall County, Iowa)
Built 1893; rehabilitated 1955
Pony truss bridge over Linn Creek on a local road
Open to traffic

Linn Creek Intersection Bridge (Marshall County, Iowa)
Built 1920; rehabilitated 1976
Bridge over Linn Creek on Intersection of 200th Street and Durham Avenue
Open to traffic

Lithium Bridge (Perry County, Missouri)
Built ca. 1920
Pony truss bridge over Falls Branch on CR 921 just off Route M at Lithium
Open to traffic on a gravel road with a 6 ton weight limit

Little Achmun Creek Bridge (Yell County, Arkansas)
Built ca. 1920; replaced 1989
Lost wooden deck bridge with double-intersection Warren railing on Mickles Switch Road (CR 49/Old AR 10) northwest of Ola
Replaced by a new bridge

Little Antoine Creek Bridge (Clark County, Arkansas)
Built ca. 1930; rehabilitated 1974
Pony truss bridge over Little Antoine Creek on CR 246
Open to one-lane traffic

Little Black River CR B-3A Bridge (Ripley County, Missouri)
Built ca. 1930
Wooden deck bridge over Little Black River on CR B-3A north of Naylor
Closed to traffic after deck damaged by fire

Little Blue River Bridge (Crawford County, Indiana)
Through truss bridge over Little Blue River on CR 1190 South in Alton
Open to traffic

Little Blue River Bridge (Shelby County, Indiana)
Through truss bridge over Little Blue River on CR 800 East
Open to traffic

Little Blue River Bridge (Crawford County, Indiana)
Built 1892
Through truss bridge over Little Blue River on CR 1030 South
Open to traffic

Little Blue River Bridge (Crawford County, Indiana)
Built 1925; rehabilitated 1994
Through truss bridge over Little Blue River on CR 250 East
Unknown status

Little Blue River Old IN 37 Bridge (Crawford County, Indiana)
Built 1926
Closed pony truss bridge over Little Blue River on Old IN 37
Closed to all traffic

Little Cache River CR 310 Bridge (Clay County, Arkansas)
Built 1923; replaced 2003
Lost pony truss bridge over Little Cache River on CR 310
No longer exists

Little Cossatot River Bridge (Sevier County, Arkansas)
Built 1908 by the Morava Construction Co. of Chicago
Pony truss bridge over Little Cossatot River on CR 139 (Wildwood Road) west of Lockesburg in Lockesburg
Open to traffic

Little Cypress Creek Bridge (Phillips County, Arkansas)
Built 1942; rehabilitated 1977; replaced 2005
Lost aluminum stringer bridge over Little Cypress Creek on CR 66
No longer exists

Little Flora Creek Bridge (Cape Girardeau County, Missouri)
Built ca. 1925
Pony truss bridge over Little Flora Creek on CR 635 southwest of Egypt Mills
Open to traffic

Little Graham Creek Bridge (Jennings County, Indiana)
Built 1897
Through truss bridge over Little Graham Creek on CR 800 East
Closed to all traffic

Little Indian Creek John Pectol Road Bridge (Floyd County, Indiana)
Built ca. 1930; rehabilitated 1972
Pony truss bridge over Little Indian Creek on John Pectol Road in Galena
Open to traffic

Little Laflin Bridge (Bollinger County, Missouri)
Built ca. 1930; replaced 2005
Lost pony truss bridge over a branch of Crooked Creek near Laflin on CR 408
Replaced by a new bridge

Little Osage River Bridge (Bourbon County, Kansas)
Built in 1896 by the Wrought Iron Bridge Co.
Through truss bridge over Little Osage River, 3.0 mi. west and 2.0 mi. north of Xenia
Open to traffic

Little River Bridge (McCurtain County, Oklahoma)
Built 1959
Through truss bridge over Little River on 4530C
Open to traffic

Little Robinson Road Bridge (Benton County, Arkansas)
Built ca. 1930
Pony truss bridge over an unnamed creek on Robinson Road (CR 103)
Open to one-lane traffic

Little Salt Creek Bridge (Lawrence County, Indiana)
Built 1897; rehabilitated 1987
Through truss bridge over Little Salt Creek on CR 595 East
closed to all traffic

Little Shawnee Creek Bridge (Fountain County, Indiana)
Built 1935
Pony truss bridge over Little Shawnee Creek on CR 200 East
Open to traffic

Little Sugar Creek Bridge (Linn County, Kansas)
Built 1913
Concrete arch bridge over Little Sugar Creek in Mound City
Open to traffic

Little Valley Church Bridge (Bollinger County, Missouri)
Built 1922
Pony truss bridge over Cane Creek on CR 524 northwest of Dongola
Open to traffic on a gravel road with an 8 ton (?) weight limit

Little Wabash River Bridge (Edwards County, Illinois)
Built 1940
Through truss bridge over Little Wabash River on FAS 800, 0.5 mi. south of Blood
Open to traffic

Little Zion Bridge (Madison County, Missouri)
Built 1922
Pony truss bridge over a branch of Twelvemile Creek near Zion on CR 417 (Old US 67)
Open to traffic with a 20 ton limit on a paved road

Lobatos Bridge (Conejos County, Colorado)
Built 1989
Pony truss bridge over Rio San Antonio on CR G east of Antonito
Open to two-lane traffic

Lock Springs Bridge (Daviess County, Missouri)
Built 1927 by Chillicothe Iron Co.; replaced 1990
Lost through truss over Grand River on CR 127 (Topper Road) west of Lock Springs
Replaced by a concrete bridge

Log Creek Road Bridge (Caldwell County, Missouri)
Built 1908
Pony truss bridge over Log Creek on S.W. Log Creek Road
Open to traffic

Log Lick Creek Bridge (Switzerland County, Indiana)
Built 1882
Through truss bridge over Log Lick Creek on Dead End Road
Closed to all traffic

Logan Creek Bridge (Callaway County, Missouri)
Built 1911 by Miller & Borcherding Bridge Builders of St. Louis. Made obsolete by new bridge in 1996.
Abandoned pony truss bridge over Logan Creek on CR 464, just off MO 94
Abandoned, but mostly intact

Logan Creek Old US 160 Bridge (Ripley County, Missouri)
Built 1923; made obsolete by new US 160 alignment in 1974
Pony truss bridge over Logan Creek on CR 160E-12 (Old US 160), northeast of Doniphan
Open to traffic on a paved road

Long Shoals Bridge (Bourbon County, Kansas)
Built 1902 by the Midland Bridge Co.
Abandoned through truss bridge over Little Osage River, 5.0 mi. east and 1.0 mi. south of Fulton
Closed to all traffic

Los Cerritos Bridge (Conejos County, Colorado)
Reconstructed 1987
Pony truss bridge over Conejos River on CR M south of Manassa
Open to one-lane traffic

Los Verjeles Road Bridge (Yuba County, California)
Built 1940
Concrete arch bridge over South Honcut Creek on Los Verjeles Road in Loma Rica
Open to traffic

LOST - Lincoln Highway Bridge (Van Wert County, Ohio)
Built 1930, Cosmetic Refurbishment 1995, Destroyed 2006, Replaced 2006
Lost stringer bridge over Upper Prairie Creek on Lincoln Highway
Replaced by new bridge

Lost Bridge (Miami County, Indiana)
Built 1915; rehabilitated 1982
Through truss bridge over Eel River on CR 100 East
Open to traffic

Lost Creek Bridge (Bourbon County, Kansas)
Built 1888
Through truss bridge over Lost Creek, 3.0 mi. east and 0.3 mi. north of Mapleton
Closed to all traffic

Lost Creek CR 528 Bridge (Wayne County, Missouri)
Built ca. 1950; rehabilitated 1988
Wooden bridge over West Fork Lost Creek on CR 528, northwest of Shook
Open to one-lane traffic

Lost River Bridge (Orange County, Indiana)
Through truss bridge over Lost River on CR 520 West
Open to traffic

Lost River Bridge (Orange County, Indiana)
Built 1894
Through truss bridge over Lost River on CR 375 North
Open to traffic

Lost River Bridge (Orange County, Indiana)
Built ca. 1920; rehabilitated 1992
Pony truss bridge over Lost River on CR 500 East
Open to traffic