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

Klondike Bridge (Lyon County, Iowa)
Built 1913-15 by the Western Bridge and Construction Co. of Omaha. Replaced by modern bridge in 1977.
Through truss bridge over Big Sioux River on 180th Street southeast of Sioux Falls
Open to pedestrians only

Klondike Road Bridge (Jefferson County, Missouri)
Built 1900 by the St. Louis Bridge & Iron Co. as a two-span bridge at Times Beach over the Meramec River. One span relocated here in 1933; replaced by a new bridge in 1993
Lost through truss bridge over Big River on Klondike Road northeast of Morse Mill
Replaced by modern bridge

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

Knights Ferry Covered Bridge (Stanislaus County, California)
Built May 1864; closed to traffic June 1981; rehabilitated 1989
Four-span covered bridge over Stanislaus River at Knights Ferry
Open to pedestrians only

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

Kochenderfer Covered Bridge (Perry County, Pennsylvania)
Built 1919
Covered bridge over Big Buffalo Creek on TR 332
Open to pedestrians only

Koehler's Ford Bridge (Cole County, Missouri)
Built 1910-11 by the Canton Bridge Co. of Canton, Ohio. Rehabilitated 1990; replaced 2004.
Lost through truss bridge over North Moreau Creek on Nine Hills Road north of Lohman
Removed to make room for a replacement bridge in 2004

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

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

L&N Railroad Bridge (Hamilton County, Ohio)
First built 1872 as a Whipple through truss bridge; reconstructed 1897; railroad service discontinued 1987; closed to road traffic 2001; rehabilitated and reopened to pedestrians 2003
Five-span through truss bridge over the Ohio River formerly carrying the Louisville & Nashville Railroad (later CSX) and US 27 between Cincinnati and Newport
Open to pedestrian traffic only

L'Anguille River AR 1 Bridge (Lee County, Arkansas)
Lost through truss bridge over L'Anguille River on AR 1 northwest of Marianna
Replaced by new bridge in 1968

L'Anguille River US 79 Bridge (Lee County, Arkansas)
Lost three-span through truss bridge over L'Anguille River on US 79 just east of Marianna in Marianna
Replaced by new bridge in 1947

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

La Salle Railroad Bridge (La Salle County, Illinois)
replaced earlier 1893 bridge
Through truss bridge over Illinois River on Illinois Central Railroad in La Salle


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 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

Ladd Bridge (Bartow County, Georgia)
Abandoned through truss bridge over Petit Creek just off GA 113 in Cartersville
Abandoned with deck removed

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

Lagunitas Creek Bridge (Marin County, California)
Built 1929
Pony truss bridge over Lagunitas Creek on CA 1 in Point Reyes Station
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 Elizabeth Road over Amargosa Creek (Los Angeles County, California)
Built 1946; replaced 2008
Lost pony truss bridge over Amargosa Creek on Elizabeth Lake Road in Palmdale
Replaced by culvert

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 Vista Drive Bridge over Medea Creek (Los Angeles County, California)
Built 1923
Pony truss bridge over Malibou Lake (Medea Creek) on Lake Vista Drive
Open to traffic

Lake Wilson Bridge (Russell County, Kansas)
Pony truss bridge over a branch of Lake Wilson on Reservoir Road(?)
Closed to traffic as of 1997

Lakeshore Drive Bridge (Cook County, Illinois)
Built 1937
Bascule bridge over Main Branch Chicago River on Lakeshore Drive in Chicago
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

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 Katy Trail Bridge (Cooper County, Missouri)
Built 1909-10 by the King Bridge Co. of Cleveland, Ohio, replacing an earlier wooden trestle
Through truss bridge over Lamine River on the Katy Trail (Missouri-Kansas-Texas Railroad)
Open to pedestrians and bicyclists on the Katy Trail

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

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

Lancaster High Bridge (Schuyler County, Missouri)
Lost through truss bridge over railroad tracks at or near Lancaster
No longer exists

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

Lanesboro Railroad Bridge (Fillmore County, Minnesota)
Railroad line abandoned 1979
Through truss bridge over Root River on the Root River State Trail (formerly Minnesota Southern Railroad) in Lanesboro
Open to pedestrians only

Lanesboro Root River Railroad South Crossing (Fillmore County, Minnesota)
Previous span consisted of a wooden Howe through truss bridge. Bridge was washed out during the flooding of 1900 and was subsequentially replaced with the current structure.
Pratt pony truss bridge over Root River just 0.2 miles west of Hwy. 250 Bridge on MN Southern Railroad (now Root River Trail)
Open to pedestrians

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

Larkin Covered Bridge (Chester County, Pennsylvania)
Built 1881; relocated 2006
Covered bridge over a ditch next to Byers Station Blvd.
Open to pedestrians only

Laroque Bridge (Addison County, Vermont)
Built 1925 by the McClintic-Marshall Co.
Truss bridge over New Haven River on VT 116 in Bristol
Open to 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
open to traffic

Lattas Creek Bridge (Greene County, Indiana)
Built 1917
Pony truss bridge over Lattas Creek on CR 250 West
Open to traffic

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

Laura Bradley Park Bridge (Peoria County, Illinois)
Built 1898
Deck truss bridge over Dry Run Creek on a park road within Laura Bradley Park in Peoria
Open to traffic

Laurel Street Bridge (Hillsborough County, Florida)
Built 1926; rehabilitated 1969
Pony truss bascule bridge over Hillsborough River on Laurel Street in Tampa
Open to traffic

Leavenworth Railroad Bridge (Leavenworth County, Kansas)
Built 1892-94 under the direction of George S. Morison for about $300,000; dedicated Jan. 2, 1894
Lost through truss swing bridge over the Missouri River at Leavenworth
No longer exists

Lee Creek AR 220 Bridge (Crawford County, Arkansas)
Replaced 2000
Lost through truss over Lee Creek on AR 220
Replaced by a new bridge

Lee Creek Road Bridge (Crawford County, Arkansas)
Made obsolete by a new bridge in 1994-95 and abandoned
Abandoned through truss bridge over Lee Creek on Lee Creek Road (West Rena Road), just north of I-40
Closed to all traffic

Leeper Bridge (Wayne County, Missouri)
Built 1933
Four-span through truss bridge over Black River on MO 34 near Leeper
Open to two-lane traffic

Leeper Ford Bridge (Greene County, Missouri)
Built 1930 using recycled material; replaced 1991
Lost through truss over Sac River on Farm Road 34 southwest of Walnut Grove, near the Dade County line
Replaced by a concrete bridge

Left Branch AR 123 Bridge (Newton County, Arkansas)
Lost through truss bridge over Left Branch Big Creek on AR 123
Replaced by new bridge in 2000

Left Hand Chute AR 140 Bridge (Mississippi County, Arkansas)
Built 1958
Pony truss bridge over Left Hand Chute of Little River on AR 140 near Etowah
Open to traffic

Left Hand Chute AR 77 Bridge (Mississippi County, Arkansas)
Built 1965
Pony truss bridge over Left Hand Chute of Little River on AR 77 just south of the intersection with AR 198, northwest of Dyess
Open to two-lane traffic

Lemay Ferry Bridge (St. Louis County, Missouri)
Built 1933
Lost two-span through truss bridge over Meramec River on US 61/67 north of Arnold in Oakville
Replaced by a new bridge in September 2004; old bridge demolished November 2004

Lenox Bridge (Dyer County, Tennessee)
Built 1917 by the Vincennes Bridge Co.; damaged by overweight load in 1978; dismanted 1985; relocated 1987-88
Swing pony truss bridge originally spanning Obion River on CR S8025 west of Lenox
Open to pedestrians only

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 & Clark Bridge (Cowlitz County, Washington)
Built 1929; rehabilitated 2003
Through truss bridge over Columbia River on WA 433
Open to traffic

Lewis and Clark Viaduct (Wyandotte County, Kansas)
Opened Nov. 12, 1962; rehabilitated 1984
Deck truss bridge over Kansas River on I-70 Westbound in Kansas City
Open to traffic

Lewis Bridge (St. Louis County, Missouri)
The current bridge was built 1979
Lost through truss bridge over the Missouri River on US 67 adjacent to Bellefontaine Railroad Bridge
Replaced by a modern four-lane deck-girder bridge

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 Bridge (Lafayette County, Missouri)
Opened to traffic Oct. 31, 1924; replacement bridge opened June 25, 2005
Lost seven-span through truss bridge over the Missouri River on MO 13 at Lexington
Replaced by modern bridge on new bypass alignment

Liberty Bridge (Jackson County, Missouri)
Northbound bridge built 1949 and rehabilitated 1986; southbound bridge built 1996
Pair of through truss bridges over Missouri River on MO 291 south of Liberty in Kansas City
Open to four lanes of divided-highway traffic

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

Lick Creek Bridge (Sangamon County, Illinois)
Pony truss bridge over Lick Creek on TR 176 in Springfield
Open to traffic

Lick Creek Route J Bridge (Stoddard County, Missouri)
Built 1935
Pony truss bridge over Lick Creek Ditch on Route J, west of Bloomfield
Open to one-lane 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

Lime Kiln Road Bridge (Newton County, Missouri)
Built 1882 as a railroad bridge by the King Bridge Co.; later relocated here for vehicular traffic; replaced 1980
Lost through truss bridge over Shoal Creek on Lime Kiln Road north of Neosho in Neosho
Replaced by a modern bridge

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

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

Linwood Railroad Bridge (Leavenworth County, Kansas)
Through truss bridge over Stranger Creek on the railroad just east of Linwood
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 Berger Creek Bridge (Gasconade County, Missouri)
Built 1933; rehabilitated 1985
Pony truss bridge over Little Berger Creek on MO 100 southeast of Hermann
Open to two-lane traffic

Little Black River MO 142 Bridge (Ripley County, Missouri)
Built 1949
Three-span pony truss bridge over Little Black River on MO 142, northwest of Naylor
Open to two-lane traffic on a paved road

Little Blue Creek Bridge (Pike County, Illinois)
Built 1916 by the Illinois Steel Bridge Co.; rehabilitated 1997
Pony truss bridge over Little Blue Creek on 492nd Street, This bridge was relocated from County Highway 14 on Big Blue. North of Detroit Illinois
Open to traffic

Little Blue Creek Bridge (Pike County, Illinois)
Built 1961
Through truss bridge over Little Blue Creek on 482nd Street (TR 506) between Florence and Milton, 2.75 mi. southeast of Detroit
Open to one-lane traffic with a weight limit

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 Bridge (Crawford County, Indiana)
Through truss bridge over Little Blue River on CR 1190 South in Alton
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 (Shelby County, Indiana)
Through truss bridge over Little Blue River on CR 800 East
Open to traffic

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 Bonne Femme Katy Trail Bridge (Boone County, Missouri)
Built 1898 by the A&P Roberts Co. of Pencoyd, Pennsylvania
Through truss bridge over Little Bonne Femme Creek on the Katy Trail
Open to pedestrians and bicyclists only

Little Buck Creek Bedstead (Henry County, Indiana)
Original date and location unknown, later moved to farm field.
Abandoned bedstead Pratt pony truss bridge over Little Duck Creek
Abandoned

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