Intercity Viaduct (Wyandotte County, Kansas)
Completed in 1907; lower level added 1930; parallel span opened in 1962
Two-level deck truss bridge over Kansas River on I-70 Eastbound in Kansas City
Open to four lanes of traffic on upper level and pedestrian traffic on lower level

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

Irondale Railroad Bridge (Washington County, Missouri)
Deck truss bridge over Big River on the Iron Mountain Railroad (now UPRR) north of Irondale
Open to railroad traffic

Irons Fork AR 88 Bridge (Polk County, Arkansas)
Built 1907
Lost two-span through truss bridge over Irons Fork on AR 88 east of Mena
Replaced by a new bridge in 1955

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

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

Iverson Crossing (Minnehaha County, South Dakota)
Formerly part of the Iverson Road linking Sioux Falls with Sibley, IA and Blue Earth, MN, it was named after the Iverson family, whose homestead was located near this bridge. First bridge built in 1889, but was replaced with current span in 1897.
Parker through truss bridge over Big Sioux River on Iverson Crossing Road east of East Sioux Falls and 1.3 miles west of Rowena
Closed to all traffic

Jack's Mill Bridge (Henderson County, Illinois)
Built 1846 by William Smith
Lost covered bridge over Henderson Creek on IL 164 (formerly IL 94A) east of Oquawka
No longer exists

Jacks Fork MO 17 Bridge (Texas County, Missouri)
Built 1931; replaced 2006
Lost two-span pony truss bridge over Jacks Fork on MO 17
Replaced by a modern bridge on a new alignment

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

James Street Bridge (Wyandotte County, Kansas)
Replaced 1987
Lost through truss bridge over Kansas River on James Street in Kansas City
Replaced by a new bridge

Jamestown Bridge (Johnson County, Arkansas)
Bridge has been there since at least 1930 according to local residents
Pratt pony truss bridge with steel grate deck over Spadra Creek at Clarksville
Open to pedestrians

Jasper Bridge (Newton County, Arkansas)
Replaced 1974
Lost two-span through truss bridge over Little Buffalo River on AR 7 at Jasper
Replaced by a new bridge

Jefferson Avenue Footbridge (Greene County, Missouri)
Completed Aug. 29, 1902, by the American Bridge Co.; rehabilitated 2002
Cantilevered through truss pedestrian bridge over the railroad tracks in downtown Springfield
Open to pedestrians only

Jefferson Rail Road Bridge (Marion County, Texas)
Bi-passed rail bridge over Big Cypress Bayou in Jefferson. Built by the Phoenix Bridge Company 1897. New bridge sits just to the north, old bridge preserved in place.
Pratt through truss bridge over Big Cypress Bayou
Closed to all traffic

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 Viaduct (Wapello County, Iowa)
Built 1936; rehabilitated 1984
Deck truss bridge over Des Moines River on Jefferson Street in Ottumwa
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

Joachim Avenue Bridge (Jefferson County, Missouri)
Built 1924; made obsolete by new bridge in 1933; closed to traffic Nov. 21, 2005; main span demolished Dec. 27, 2006
Lost through truss bridge over Joachim Creek on Joachim Avenue (Old US 61/67) in Herculaneum
Demolished to make way for replacement

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 Bright No. 1 Iron Bridge (Fairfield County, Ohio)
Originally built ca. 1884 by the Hocking Valley Bridge Works over Poplar Creek on Havenport Road near Carroll.
Wrought-iron through truss bridge relocated to the Ohio University-Lancaster campus
Open to pedestrians only

John Bright No. 2 Covered Bridge (Fairfield County, Ohio)
Originally built 1881 by Augustus Borneman over Poplar Creek on Bish Road near Carroll. Rehabilitated 1913. Relocated 1988.
Covered bridge relocated to the Ohio University-Lancaster campus in Lancaster
Open to pedestrians only

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 Covered Bridge (Fairfield County, Ohio)
Built 1887
Covered bridge over Clear Creek on Amanda-Clearport Road
Open to pedestrians only

Johnson Creek Covered Bridge (Robertson County, Kentucky)
Built 1874
Smith through truss bridge over Johnson Creek on on an old alignment of KY 1029
Open to pedestrians

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

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

Johnsonville Railroad Bridge (Humphreys County, Tennessee)
Originally built 1867 as a timber Howe truss bridge; rebuilt or modified in 1873, 1893, 1900, and 1915; demolished 1945 with the creation of Kentucky Lake
Lost through truss swing bridge over Tennessee River on the NC&Stl Railway between Eva and (Old) Johnsonville
No longer exists

Jones Bridge (Fulton County, Georgia)
Built 1904. Used until 1922 when free state-built bridges rendered it obsolete. Fell into disrepair in the 1930s. In 1940, half of the bridge was illegally removed and likely sold for scrap. Originally bridged Milton and Gwinnett counties.
Abandoned through truss bridge over Chattahoochee River on former Jones Bridge Road in Johns Creek
Abandoned

Jones Bridge/ Moores Bridge (Carroll County, Georgia)
Abandoned pratt through truss bridge over Chattahoochee River on Former Clem/Lowell Road
Abandoned

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

Josiah Hess Covered Bridge (Columbia County, Pennsylvania)
Built 1875
Covered bridge over Huntington Creek on Covered Bridge Lane, northeast of Orangeville
Open to pedestrians only

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 (?)

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

Junction Bridge (Pulaski County, Arkansas)
Vertical-lift through truss bridge over the Arkansas River on the Union Pacific Railroad in Little Rock
Rehabilitation complete open to pedestrians as of 05-17-08

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

Kankakee River IN 49 Bridge (Jasper County, Indiana)
Built 1941; rehabilitated 1996
Through truss bridge over Kankakee River on IN 49
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 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. 2 (Wyandotte County, Kansas)
Built 1905; abandoned 1983
Abandoned three-span through truss bridge over Kansas River on the former Kansas City Southern railroad, south of James Street
Closed to all 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 River Railroad Bridge No. 4 (Wyandotte County, Kansas)
Built 1905; abandoned in 1972 with the building of Kemper Arena
Abandoned three-span through truss bridge over Kansas River, just north of the Kansas Avenue Bridge
Closed to all 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

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

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

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

Kenilworth Avenue over the Verdugo Wash (Los Angeles County, California)
Built 1936
Pony truss bridge over Verdugo Wash on Kenilworth Avenue in Glendale
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

Kentucky River KY 3506 Bridge (Franklin County, Kentucky)
Built 1951
Through truss bridge over Kentucky River on KY 3506 in Frankfort
Open to Pedestrians Only

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

Kern Bridge (Blue Earth County, Minnesota)
Built 1873 by Wrought Iron Bridge Company Canton, OH; Closed to traffic in 1990
Bowstring through truss bridge over LeSeuer River at border of Mankato and South Bend Townships on Township Rd. 190 and 195th Lane
Closed to all traffic

Keystone Bridge (Park County, Colorado)
Built ca. 1870 by the Keystone Bridge Co. for the Denver, South Park and Pacific Railroad in Jefferson County near Kassler. Converted to highway use ca. 1935; relocated 1985.
Through truss bridge over North Fork South Platte River at Bailey
Open to pedestrians only

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

Kiamichi River Bridge (Pushmataha County, Oklahoma)
Built 1934
Through truss bridge over Kiamichi River on US 271
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

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

Kingpost Bridge (Van Buren County, Arkansas)
Lost Kingpost truss bridge on AR 9 somewhere in Van Buren County
No longer exists

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

Kiwanis Bridge (Sioux County, Iowa)
Former bridge on the Milwaukee Railroad converted to pedestrian use by the Kiwanis Club
Two-span through truss bridge over Rock River west of Rock Valley
Open to pedestrians only

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