Houck Iron Bridge (Putnam County, Indiana)
Built ca. 1920
Through truss bridge over Big Walnut Creek on CR 25 East
Closed

Hubbard Creek CR 748 Bridge (Grant County, Arkansas)
Built ca. 1930
Lost pony truss bridge over Hubbard Creek on CR 748
No longer exists

Hubbard Road Bridge (Orange County, New York)
Built 1886; rehabilitated 1975
Pony truss bridge over Shawangunk Kill on Hubbard Road
Closed to all traffic

Huerfano Valley Bridge (Huerfano County, Colorado)
Built 1916
Two-span Luten arch bridge over Huerfano River on CR 104
Open to traffic

Huffman Covered Bridge (Putnam County, Indiana)
Built 1880
Two-span covered bridge over Big Walnut Creek on Huffman Road
Open to traffic

Huffman Road Bridge (Sevier County, Arkansas)
Built ca. 1930
Pony truss bridge over Woolsey Creek on Huffman Road (CR 265)
Open to one-lane traffic

Huffman's Mill Covered Bridge (Spencer County, Indiana)
Built 1863
Covered Burr Arch truss bridge over Anderson River on CR 1475 East
Preserved and open to pedestrians

Hulston Mill Bridge (Dade County, Missouri)
Built 1927 by Ed. W. Appleby
Pony truss bridge over Sac River (Stockton Lake) on CR 372, just beyond the end of Route EE
Open to traffic, but closed for flooding on 4/27/2008

Humboldt Bridge (Allen County, Kansas)
Built 1932
Two-span Marsh arch bridge over Neosho River on Bridge Street in Humboldt
Open to traffic

Hune Covered Bridge (Washington County, Ohio)
Built 1879 by Rolla Merydith; rehabilitated 1998
Covered bridge over Little Muskingum River on Township Road 34
Open to one-lane traffic

Huntington Drive over Eaton Wash (Los Angeles County, California)
Built 1962
Concrete tee beam bridge over Eaton Wash on Huntington Drive in San Marino
Open to traffic

Huntsville Pike Bridge (Madison County, Indiana)
Built ca. 1920; rehabilitated 1985
Through truss bridge over Fall Creek on Huntsville Pike in Pendleton
Open to traffic

Hurricane Creek Bridge (Lincoln County, Missouri)
Built ca. 1920
Pony truss bridge over Hurricane Creek on Old Highway 79 (CR 925) just south of Route M
Open to traffic with a 10 ton weight limit

ICG Railroad Bridge (Lauderdale County, Mississippi)
Built 1920
Bridge over ICG Railroad on Old Hwy 80 West
Open to traffic

Idabel Bridge (McCurtain County, Oklahoma)
Built 1923
Through truss bridge over Little River on D4615 just north of Idabel in Idabel
Open to traffic

Illinois River Arch Bridge (Benton County, Arkansas)
Built 1922 by the Luten Bridge Co.
Closed two-span Luten arch bridge over Illinois River on CR 3 (Chambers Springs Road) east of Siloam Springs, just south of US 412
Closed to traffic

Imhoff Road Bridge (Cooper County, Missouri)
Built 1907
Two-span through truss bridge over Lamine River on Imhoff Road
Open to one-lane traffic

Indian Camp Covered Bridge (Guernsey County, Ohio)
Built 1855; rehabilitated 1999
Covered bridge over Indian Camp Run on Covered Bridge Road (TR 611) just off OH 658
Open to one-lane traffic

Indian Creek Bridge (Edwards County, Illinois)
Built 1938
Arch bridge over Indian Creek on FAS 2815, 1 mi. west of Bone Gap
Open to traffic

Indian Creek Old MO 76 Bridge (McDonald County, Missouri)
Built 1929 by contractor M.E. Gillioz
Three-span open-spandrel arch bridge over Indian Creek on Cedar Road (Old MO 76) at Anderson
Open to traffic

Indian Ford Bridge (Stoddard County, Missouri)
Formerly a bridge on the Frisco Hoxie Branch railroad built in 1926(?) and later retrofitted for vehicle use when the line was discontinued in 1967
Through truss bridge over St. Francis River between Puxico and Rombauer on Stoddard CR 499
Open to one-lane traffic on a county road with a 10 ton weight limit

Indian Mill Bridge (Wyandot County, Ohio)
Built 1913 by the Modern Construction Co.
Through truss bridge over Sandusky River on CR 47
Open to traffic

Indiana Avenue Bridge (Elkhart County, Indiana)
Built 1898 by the Bellefontaine Bridge & Iron Co.; rehabilitated 1986
Through truss bridge over Elkhart River on Indiana Avenue in Goshen
Open to traffic

Inwood Iron Bridge (Lebanon County, Pennsylvania)
Built 1899 by the Pittsburg Bridge Co. and Nelson & Buchanan; rehabilitated 1960
Through truss bridge over Swatara Creek on TR 575
Closed to all traffic

Iowa River Bridge (Tama County, Iowa)
Built 1938
Through truss bridge over Iowa River on a local road
Open to traffic

Iowa River Bridge (Marshall County, Iowa)
Built 1885
Through truss bridge over Iowa River on a local road
Closed to all traffic

Iroquois River Bridge (Newton County, Indiana)
Built ca. 1910
Through truss bridge over Iroquois River on CR 650 East
Open to 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

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

Jewell Drive Bridge (Caldwell County, Missouri)
Bedstead pony truss bridge over Sheep Creek on Jewell Drive
Open to 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 Pectol Road Bridge (Floyd County, Indiana)
Built 1915
Pony truss bridge over Big Indian Creek on John Pectol Road
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 (Fairfield County, Ohio)
Built 1887
Covered bridge over Clear Creek on Amanda-Clearport Road
Open to pedestrians only

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 Mill Covered Bridge (Muskingum County, Ohio)
Built 1876; rehabilitated 1998
Covered bridge over Salt Creek on Arch Hill Road (CR 82)
Open to pedestrians only

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

Jordan Road Bridge (Jefferson County, Oregon)
Built 1963
Suspension bridge over Crooked River on Jordan Road
Open to traffic

Jordan Road Bridge (Jefferson County, Oregon)
Built 1963
Suspension bridge over Deschutes River on Jordan Road
Open to 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 Bridge (White County, Arkansas)
Built 1924 by the R. L. Gaster Construction Co. of Little Rock
Through truss bridge with center swing span over Little Red River on CR 66 at Judsonia
Closed for rehabilitation (?)

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

Kalispell Old Steel Bridge (Flathead County, Montana)
Built 1894
Through truss bridge over Flathead River on CR 091
Open to traffic

Kankakee River Range Line Road Bridge (Lake County, Indiana)
Built ca. 1920
Through truss bridge over Kankakee River on Range Line Road
Open to traffic

Kankakee River State Line Road Bridge (Lake County, Indiana)
Built 1926
Closed through truss bridge over Kankakee River on State Line Road
Closed to all 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 Street Bridge (Cole County, Missouri)
Two-span stone arch bridge over Wears Creek on Kansas Street in Jefferson City
Open to two-lane traffic

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

Keigley Branch Bridge (Story County, Iowa)
Built 1913 by Koss Construction Co.
Concrete arch bridge over Keigley Branch on 550th Avenue
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

Kelley Crossing Bridge (Caldwell County, Texas)
Built ca. 1895 by the Berlin Iron Bridge Co.
Lenticular pony truss bridge over Plum Creek on CR 186 (Old Kelly Road), east of Lockhart
Derelict

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

Kidwell Covered Bridge (Athens County, Ohio)
Built 1880, closed in 1978 after damage from overweight truck, recently restored and reopened to traffic.
Howe through truss bridge over Sunday Creek on Monserat Road (TR332)
Open to traffic

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

Klamath River Road Bridge (Siskiyou County, California)
Built 1901
Through truss bridge over Klamath River on Klamath River Road
Open to 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; replaced 2008
Lost pony truss bridge over Amargosa Creek on Elizabeth Lake Road in Palmdale
Replaced by culvert

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

Lake Park Lion Bridges (Milwaukee County, Wisconsin)
Built in 1897; Closed to traffic and narrowed in 1964
Open-spandrel arch bridge over Ravines on Pedestrian Walkway in Milwaukee
Open to pedestrians

Lake Park Steel Arch Bridge (Milwaukee County, Wisconsin)
Built 1893; Closed to vehicular traffic in 1964
Bridge over Ravine on Lake Park Drive in Milwaukee
Open to pedestrians

Lake Shore Drive Bridge (Shasta County, California)
Built 1926
Concrete arch bridge over Charlie Creek on Lake Shore Drive in Lakehead-Lakeshore
Open to traffic

Lakeshore Drive Bridge (Shasta County, California)
Built 1927
Concrete arch bridge over Doney Creek on Lakeshore Drive in Lakehead-Lakeshore
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