George Rogers Clark Memorial Bridge (Jefferson County, Kentucky)
Built 1929; tolls removed 1946; rehabilitated 1958
Cantilevered through truss bridge over Ohio River on US 31 at Louisville
Open to traffic

George Street Bridge (Dearborn County, Indiana)
Built 1887 by Lomas Forge & Bridge Works; rehabilitated 1989
Through truss bridge over Hogan Creek on George Street in Aurora
Open to two-lane traffic

Georgetown Loop Deck Truss Bridge (Clear Creek County, Colorado)
Deck truss over Clear Creek on the Georgetown Loop Railroad
Open to traffic

Georgetown Loop Plate Girder Bridge (Clear Creek County, Colorado)
Pony plate girder bridge over Clear Creek on the Georgetown Loop Railroad
Open to traffic

Georgetown Loop Pony Truss Bridge (Clear Creek County, Colorado)
Pony truss bridge over Clear Creek on the Georgetown Loop Railroad
Open to traffic

Gerald Desmond Bridge (Los Angeles County, California)
Bridge over Port of Los on California Highway 47 - Interestate 710 in Long Beach
Open to traffic

Gibbs Avenue Bridge (Lawrence County, Missouri)
Pony truss bridge over Clear Creek on Gibbs Avenue in Pierce City
Open to one-lane traffic with a 5 ton weight limit

Gibson's Covered Bridge (Chester County, Pennsylvania)
Built 1872
Covered bridge over East Branch Brandywine Creek on Harmony Hill Road
Open to traffic

Gilbert Street Bridge (Floyd County, Iowa)
Built 1914
Arch bridge over Shermans Creek on Gilbert Street in Charles City
Open to traffic

Gilliece Bridge (Winneshiek County, Iowa)
Built 1874 by the Wrought Iron Bridge Co.
Bowstring through truss bridge over Upper Iowa River on Cattle Creek Road
Open to one-lane traffic

Gimlet Creek Bridge (Bollinger County, Missouri)
Built 1922
Pony truss bridge over Gimlet Creek on MO 34 near Glenallen
Open to two-lane traffic

Glasgow Bridge (Howard County, Missouri)
Built 1925; rehabilitated 1986; trusses and pier caps soon be removed 2008; partial rebuild on remainder of pier.
Five-span through truss bridge over the Missouri River on MO 240 at Glasgow
Open to two-lane traffic

Glasgow Railroad Bridge (Howard County, Missouri)
Originally built 1878-79 by Gen. William Sooy Smith as a five-span Whipple through truss and described as the world's first all-steel bridge. Replaced by a new bridge in 1900 reusing some of the substructure, but with Parker truss spans
Four-span through truss railroad bridge over the Missouri River on the Gateway Western Railroad at Glasgow
Open to traffic

Glen Carbon Covered Bridge (Madison County, Illinois)
Built 1976
Modern covered bridge over Judy Branch on Main Street in Glen Carbon
Open to traffic

Glenallen Bridge (Bollinger County, Missouri)
Built in 1905 or 1908 (depending on source). Replaced 1961 by a concrete bridge on Route ZZ, but the old bridge still remains in use.
Two-span pony truss bridge over Little Crooked Creek at Glenallen in Glen Allen
Open to traffic on a paved road with a 3 ton weight limit

Glendale Blvd. over the Los Angeles River (Los Angeles County, California)
Built 1929
Concrete arch bridge over Los Angeles River on Glendale Blvd. in Los Angeles
Open to traffic

Glennonville Bridge (Dunklin County, Missouri)
Built 1939, replacing an earlier bridge built 1922
Through truss bridge over St. Francis River on MO 53 near Glennonville
Open to two-lane traffic

Glenoaks Blvd. over the Verdugo Wash (Los Angeles County, California)
Built 1938
Pony truss bridge over Verdugo Wash on Glenoaks Blvd. in Glendale
Open to traffic

Glover Cary Bridge (Daviess County, Kentucky)
Opened Sept. 1940; made obsolete in 2002 by the William H. Natcher Bridge
Through truss bridge over Ohio River on IN 161 (formerly US 231) at downtown Owensboro in Owensboro
Open to two-lane traffic

Glover River Bridge (McCurtain County, Oklahoma)
Built 1953
Through truss bridge over Glover River on OK 3
Open to traffic

Goddard Covered Bridge (Fleming County, Kentucky)
Goddard Covered Bridge is the only Town Lattice Truss Covered Bridge in KY. Original building date unknown but design patented in 1820. Bridge placed on National Register of Historic Places in 1975. Bridge restored in 2006.
Lattice through truss bridge over Sand Lick Creek on KY 3110
Open to traffic

Goff Farm Road Bridge (Washington County, Arkansas)
Small stone arch bridge over an unnamed creek on Goff Farm Road (CR 170) just east of Fayetteville in Fayetteville
Open to traffic

Gold Hill Bridge (Jackson County, Oregon)
Built 1927; rehabilitated 1947
Concrete arch bridge over Rogue River on OR 99 at Gold Hill
Open to traffic

Golden Gate Bridge (San Francisco County, California)
Built 1937
Suspension bridge over San Francisco Bay on US 101 at San Francisco
Open to traffic

Goldline (ATSF) over the Arroyo Seco (Los Angeles County, California)
A wooden bridge was built in 1889, replaced by this steel one in 1896, upgraded by the MTA in 1992
Bridge over Arroyo Seco on MTA Goldline (Light Rail)
Open to traffic

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

Goose Creek Bridge (Nassau County, New York)
Built 1930; rehabilitated 1999
Bascule bridge over Goose Creek on Wantagh State Parkway
Open to traffic

Goose Creek Bridge (Jefferson County, Kentucky)
Built ca. 1930
Concrete arch bridge over Goose Creek on Old Westport Road
Open to traffic

Gootch's Mill Bridge (Cooper County, Missouri)
Built 1905-06, possibly replacing an earlier covered bridge
Through truss bridge over Petite Saline Creek at the end of Route V, southeast of Boonville
Open to one-lane traffic

Gordons Creek Bridge (Forrest County, Mississippi)
Built 1929
Stringer bridge over Gordons Creek on McLeod Street in Hattiesburg
Open to traffic

Gordons Creek Bridge (Forrest County, Mississippi)
Built 1960
Stringer bridge over Gordons Creek on Ronie Street in Hattiesburg
Open to traffic

Gordons Creek-Main Street Bridge (Forrest County, Mississippi)
Built 1940
Bridge over Gordons Creek-Main Street on Main Street in Hattiesburg
Open to traffic

Gorge Street Bridge (Orange County, Indiana)
Built 1904; rehabilitated 1995
Through truss bridge over French Lick Creek on Gorge Street in French Lick
Open to traffic

Gospel Street Bridge (Orange County, Indiana)
Built ca. 1880
Through truss bridge over Lick Creek on Gospel Street in Paoli
Open to traffic

Gottlieb Brown Covered Bridge (Montour County, Pennsylvania)
Built 1881 by George W. Keefer
Covered bridge over Chillesquaque Creek on Bridge Road (TR 594), east of Milton
Open to traffic

Gourd Neck Road Bridge (Hot Spring County, Arkansas)
Built ca. 1920; rebuilt 2000
Rebuilt pony truss bridge over Cove Creek on Gourd Neck Road (CR 77)
Open to traffic

Governor's Bridge (Prince George's County, Maryland)
Built 1912
Through truss bridge over Patuxent River on Governor Bridge Road in Bowie
Open to one-lane traffic

Graham Creek Covered Bridge (Jennings County, Indiana)
Built 1887
Covered bridge over Big Graham Creek on CR 625 S
Open to one-lane traffic

Grand Auglaize Swinging Bridge (Miller County, Missouri)
Built 1931 by Joseph Dice
Swinging bridge over Grand Auglaize Creek on Swinging Bridges Road (Lake Road 42-18) southwest of Brumley
Open to traffic

Grand Glaize Creek Railroad Bridge (St. Louis County, Missouri)
Deck plate girder bridge over Grand Glaize Creek on the BNSF Railroad at Valley Park
Open to railroad traffic

Grand Tower Pipeline Bridge (Jackson County, Illinois)
Built 1955
Pipeline suspension bridge over the Mississippi River at Grand Tower
Still carries natural gas

Granger Road Bridge No. 1 (Sharp County, Arkansas)
Built 1936 by the Civilian Conservation Corps
Small three-span stone arch bridge over Mill Creek on Granger Road (CR 23)
Open to two-lane traffic

Granger Road Bridge No. 2 (Sharp County, Arkansas)
Built ca. 1940
Small three-span concrete arch bridge over a branch of Reeds Creek on CR 23 (Granger Road)
Open to traffic

Granite Bridge (Chaffee County, Colorado)
Built 1911
Pony truss bridge over Arkansas River at Granite on CR 397 just off US 24
Open to traffic with a 15 ton weight limit

Grant River Bridge (Grant County, Wisconsin)
Built 1948; rehabilitated 1973
Through truss bridge over Grant River on WI 35/WI 81
Open to traffic

Grant's Bend Tunnel (Kenton County, Kentucky)
West tunnel built 1853; parallel east tunnel built 1912
Pair of railroad tunnels at Grant's Bend on the CSX Railroad just north of Lambs Ferry Road in Ryland Heights
Open to railroad traffic

Great South Bay Bridge (Suffolk County, New York)
Built 1951
Through truss bridge over Great South Bay on Robert Moses Causeway
Open to traffic

Green Valley Road Bridge (Brown County, Indiana)
Built 1915
Pony truss bridge over North Fork Salt Creek on Green Valley Road
Open to traffic

Green Valley Road Bridge (Boone County, Missouri)
Built 1906
Through truss bridge over Hinkson Creek on Green Valley Road in Columbia
Open to one-lane traffic with a 3 ton weight limit

Greenhorn Creek Bridge (Pueblo County, Colorado)
Built 1928 by the H.C. Lallier Const. & Eng. Co.
Deck truss bridge over Greenhorn Creek on CR 273 in Colorado City
Open to traffic

Greensburg Pike Bridge (Allegheny County, Pennsylvania)
Built 1925; rehabilitated 1978
Four-span through truss bridge over Turtle Creek and railroad tracks on Greensburg Pike in Turtle Creek
Open to traffic

Greenville Bridge (Chicot County, Arkansas)
Opened to traffic Sept. 17, 1940
Through truss bridge over the Mississippi River on US 82 between Greenville and Lake Village
Open to traffic

Greenville Bridge (Wayne County, Missouri)
Built ca. 1930. It replaced an earlier bridge with a 10-panel Pennsylvania through truss.
Through truss bridge over St. Francis River (Lake Wappapello) on US 67 at Old Greenville
Open to two-lane traffic on a major highway

Gregg Covered Bridge (Licking County, Ohio)
Built 1881; reconstructed 1993
Covered bridge over Wakatomika Creek on Frampton Road (CR 201)
Open to traffic

Greisemer Mill Covered Bridge (Berks County, Pennsylvania)
Built 1832
Covered bridge over Manatawny Creek on Spangsville Road
Open to traffic

Griffis-Fountain Bridge (Newton County, Mississippi)
Built 1922
Through truss bridge over Chunky River on Griffis-Fountain Road at Chunky
Open to traffic

Grimms Bridge (Columbiana County, Ohio)
Built 1884 by the Wrought Iron Bridge Co.; rehabilitated 1960 and 1997
Through truss bridge over Little Beaver Creek on Grimms Bridge Road (TR 1042) in Calcutta
Open to traffic

Grouse Creek Bridge (Cowley County, Kansas)
Built ca. 1940
Pony truss bridge over Grouse Creek
Open to traffic

Grouse Creek Sec. 3 Bridge (Cowley County, Kansas)
Built 1917
Stone arch bridge over Grouse Creek on a local road about four miles north of Cambridge
Open to one-lane traffic

Grouse Creek Sec. 34 Bridge (Cowley County, Kansas)
Built ca. 1910
Two-span stone arch bridge over Grouse Creek on a local road five miles north and one mile east of Cambridge
Open to one-lane traffic

Grouse Creek Sec. 35 Bridge (Cowley County, Kansas)
Built ca. 1910
Stone arch bridge over Grouse Creek on a local road six miles north and two miles east of Cambridge
Open to one-lane traffic

Grove Street Bridge East (Waukesha County, Wisconsin)
Built 1917; rehabilitated 1997
Bridge over Oconomowoc River - East Channel on Grove Street in Oconomowoc
Open to traffic

Grove Street Bridge West (Waukesha County, Wisconsin)
Built 1917; rehabilitated 1997
Bridge over Oconomowoc River - West Channel on Grove Street in Oconomowoc
Open to traffic

Guadalupe River Bridge (Comal County, Texas)
Built 1934
Concrete arch bridge over Guadalupe River on Business 35 in New Braunfels
Open to traffic

Guilford Covered Bridge (Dearborn County, Indiana)
Built 1879 by Archibald M. Kennedy & Sons of Rushville; relocated to park in 1960; damaged by arson 1993; rehabilitated 1997
Covered bridge over East Fork Tanners Creek within Guilford Covered Bridge Park
Open to one-lane traffic

Guilford Red Bridge (Dearborn County, Indiana)
Built ca. 1920
Through truss bridge over West Fork Tanners Creek on Collier Ridge Road near Guilford
Open to one-lane traffic

Guinns Creek Bridge (Pike County, Missouri)
Built ca. 1930
Pony truss bridge on CR 295 (Old Route W) south of Paynesville
Open to one-lane traffic

Guinns Creek MO 79 Bridge (Pike County, Missouri)
Built 1935
Pony plate girder bridge over Guinns Creek on MO 79
Open to traffic

Gulf Street Bridge (Barton County, Missouri)
Built ca. 1930
Three-span stone and concrete culvert on Gulf Street in Lamar
Open to traffic

Gulpha Creek Railroad Bridge (Garland County, Arkansas)
No builders plate found
Through truss & trestle bridge over Gulpha Creek on Union Pacific in Hot Springs. Rock ballast west abutment has a metal number plate (408.1 - is all that is on it) fastened to it.
Open to infrequent railroad traffic

Gulpha Gorge Bridge No. 1 (Garland County, Arkansas)
Built 1938
Concrete arch bridge over West Gulpha Creek on US 70B in Gulpha Gorge
Open to two-lane traffic

Gulpha Gorge Bridge No. 2 (Garland County, Arkansas)
Built 1939
Concrete arch bridge over West Gulpha Creek on US 70B in Gulpha Gorge
Open to two-lane traffic

Gulpha Gorge Bridge No. 3 (Garland County, Arkansas)
Built 1938
Concrete arch bridge over West Gulpha Creek on US 70B in Gulpha Gorge
Open to two-lane traffic

Gulpha Gorge Bridge No. 4 (Garland County, Arkansas)
Built 1938; rehabilitated 1973
Small concrete arch bridge over Gulpha Creek on US 70B in Gulpha Gorge
Open to two-lane traffic

Gunderson Bridge (Winneshiek County, Iowa)
Built in 2007 by Big R Construction Englewood, CO.
Bowstring through truss bridge over Trout Run on Trout Run Trail just east of Freeport Bridge at Trout Run Park in Decorah
Open to traffic

Gunnison River Bridges (Gunnison County, Colorado)
Built 1927; replacement bridges built on new alignment in 1957
Pair of through trusses over the Gunnison River on Old US 50 just west of Gunnison
Open to traffic

Guthrie Creek Bridge (Lawrence County, Indiana)
Built 1897; rehabilitated 1982
Through truss bridge over Guthrie Creek on CR 1050 East
Open to traffic

Guyers Ford Bridge (Cooper County, Missouri)
Built or relocated here in 1921
Through truss bridge over Petite Saline Creek on Guyers Ford Road
Open to traffic, but on a poorly maintained road

Hackett Creek Bridge (Sebastian County, Arkansas)
Built 1941
Stringer bridge with stone piers over Hackett Creek on AR 45 in Hackett
Open to two-lane traffic

Hackleman Bridge (Cedar County, Missouri)
Built 1949
Pony truss bridge over Cedar Creek on MO 39
Open to traffic

Hadley Bridge (Saratoga County, New York)
Built 1885 by the Berlin Iron Bridge Co.; closed 1983; reopened August 2006
Lenticular truss bridge over Sacandaga River on Old Corinth Road at Hadley
Open to traffic

Hal Adams Bridge (Lafayette County, Florida)
Built 1947
Suspension bridge over Suwannee River on FL 51
Open to traffic

Hale Creek Bridge (Sevier County, Arkansas)
Built 1919 by the Kansas City Bridge Co. and later designated as part of US 70. Made obsolete by a new alignment of US 70 in 1952.
Pony truss bridge over Hale Creek on CR 271 (Old US 70)
Open to one-lane traffic

Halls Ferry Arch Bridge (Warren County, Mississippi)
Built 1936-37
Brick arch bridge on Confederate Avenue over Halls Ferry Road in Vicksburg
Open to traffic

Halltown Bridge (Lawrence County, Missouri)
Built 1923
Pony truss bridge over Billies Creek on MO 266 (Old US 66) just west of Halltown in Halltown
Open to two-lane traffic

Halsey Railroad Bridge (Union County, Illinois)
Through truss railroad bridge over Big Muddy River north of Wolf Lake
Still in use

Hamilton Railroad Bridge (Butler County, Ohio)
Through truss railroad bridge over the Great Miami River in Hamilton
Open to railroad traffic

Hammond Covered Bridge (Marion County, Iowa)
Built 1894
Covered bridge over North Cedar Creek on 170th Place
Open to traffic

Hannibal I-72 Bridge (Marion County, Missouri)
Opened Sept. 16, 2000
Through truss bridge over the Mississippi River on I-72/US 36 at Hannibal
Open to four lanes of traffic

Hannibal Railroad Bridge (Marion County, Missouri)
Built 1871 as a swing bridge; vertical-lift span installed 1993
Vertical-lift through truss bridge over the Mississippi River on the Norfolk Southern Railroad at Hannibal
Open to railroad traffic

Hannibal Tunnel (Marion County, Missouri)
Built 1871
Tunnel on the Norfolk Southern Railroad just west of the Hannibal Railroad Bridge in Hannibal
Open to railroad traffic

Happy Hollow Bridge (Butler County, Missouri)
Small concrete bridge on Route O (Old US 67) in Hendrickson
Open to traffic

Happy Isles Loop Bridge (Mariposa County, California)
Built 1929
Concrete arch bridge over Merced River on Happy Isles Loop. Located near Happy Isles Nature Center and trail to Vernal and Nevada Falls.
Open to traffic

Hardin Bridge (Calhoun County, Illinois)
Built 1930; rehabilitated 1983
Vertical-lift bridge over the Illinois River on IL 100 at Hardin
Open to two-lane traffic

Hardscrabble Creek Bridge (Fremont County, Colorado)
Built 1928
Through truss bridge over Hardscrabble Creek on CO 120 in Penrose
Open to traffic

Hargrove Bridge (Butler County, Missouri)
Completed Nov. 15, 1917, by Miller and Borcherding Bridge Builders of St. Louis. Closed in 1992 due to flood damage. Rehabilitated and reopened July 2, 1999.
Swing bridge with two pony trusses over Black River on CR 658
Open to one-lane traffic on a gravel road with an 8 ton weight limit

Harp Creek Bridge (Newton County, Arkansas)
Built 1928 by the Luten Bridge Co.
Concrete arch over Harp Creek on AR 7 south of Harrison
Open to two-way traffic

Harper Creek Bridge (Edwards County, Illinois)
Built 1940
Arch bridge over Harper Creek on CH 9, 4 mi. south of Albion
Open to traffic

Harpersfield Covered Bridge (Ashtabula County, Ohio)
Built 1868; northern approach added 1913 by the Riverside Bridge Co.; rehabiliated 1991-92
Two-span covered bridge with steel through truss approach over Grand River on Harpersfield Road
Open to traffic

Harpeth River Bridge (Cheatham County, Tennessee)
Built 1933; rehabilitated 1994
Two-span through truss bridge over Harpeth River on TN 49
Open to traffic