Currently showing all bridges · Only show bridges with photos
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A&O - Charcoal Gap Tunnel (Carroll County, Arkansas)
Completed March 22, 1901; abandoned in 1961
Partially collapsed tunnel on the former Missouri and North Arkansas Railway, 7 miles northeast of Eureka Springs
Abandoned and partially collapsed
AMTK/NJT - North River Tunnels (New York County, New York)
Constructed 1904-1908
Tunnel under Hudson River on Amtrak & New Jersey Transit
Open to traffic
ATN - Hardwick Tunnel (St. Clair County, Alabama)
Bored 1903, Current tunnel built 1910-11
Tunnel on Railroad
Open to traffic
Badger State Trail - Stewart Tunnel (Green County, Wisconsin)
Built in 1887 by the Illinois Central Railroad
Tunnel on Badger State Trail
Open to pedestrians
Baker-Barry Tunnel (Marin County, California)
Built in 1918, rebuilt 1925, widened in 1937, closed 1989, rebuilt in 1995
Tunnel under Under Marin Headlands on Bunker Road
Open to traffic
BART/MUNI - Market Street Subway (San Francisco County, California)
Originally built 1973 for Bay Area Rapid Transit, San Francisco Municipal Railway connection added in 1980
Tunnel on Bay Area Rapid Transit & San Francisco Municipal Railway
Open to traffic
Bethany Turnpike North Tunnel (Brooke County, West Virginia)
Bored 1831; Daylit 1957
Lost Tunnel under Rock on Bethany Turnpike
Daylighted
Bethany Turnpike South Tunnel (Brooke County, West Virginia)
Bored 1831; Daylit 1957
Tunnel under Rock on Road
Don't know
BHP - Gleason Canyon Tunnel (White Pine County, Nevada)
Built 1906
Tunnel on Railroad (BHP Nevada Railroad)
Abandoned
BN - Belmont Tunnel (Dawes County, Nebraska)
Built 1889. abandoned to rail traffic in 1982
Tunnel
Bypassed Tunnel still used by RR personnel
BNSF - Anderson's Tunnel (Klickitat County, Washington)
Built 1908
Tunnel on BNSF Railway
Open to traffic
BNSF - Cape Horn Tunnel (Skamania County, Washington)
Tunnel on BNSF (nee Spokane, Portland & Seattle)
Open to traffic
BNSF - Cascade Tunnel (King County, Washington)
Longest rail tunnnel in the US, finished in 1929 to bypass old tunnel, switchbacks, and 1.57% grade
Concrete lined tunnel under Cascade Mountains on BNSF Railway (former Great Northern Railway)
Open to traffic
BNSF - Hewitt's Tunnel (Klickitat County, Washington)
Built 1908
Bridge on BNSF Railway
Open to traffic
BNSF - Jackson's Tunnel (Klickitat County, Washington)
Built 1908
Tunnel on BNSF Railway
Open to traffic
BNSF - Wayne Tunnel (Cascade County, Montana)
Built in 1911 by the Great Northern Railroad
Tunnel under a hill and Enger Cutoff Road on BNSF Railway
Open to traffic
BNSF - Woldson's Tunnel (Klickitat County, Washington)
Built 1908
Tunnel on BNSF Railway
Open to traffic
BRB&L - East Boston Tunnels (Suffolk County, Massachusetts)
Built 1875; abandoned 1940
Abandoned tunnels under Jeffries Point on Boston, Revere Beach & Lynn Railroad
Derelict/abandoned
Broadway Tunnel (San Francisco County, California)
Built 1952
Tunnel carries traffic under corner of Russian Hill and several streets. Four lanes of automobile, bus and truck traffic
Open to traffic
Broadway Tunnel (Los Angeles County, California)
Built 1901; Removed 1949 due to the construction of the Hollywood Freeway obliterating Fort Moore Hill
Lost Tunnel under Fort Moore Hill on North Broadway
Removed
Brooklyn-Battery Tunnel (New York County, New York)
Built 1940-1950
Tunnel under East River on Interstate 478
Open to traffic
Buck Spring Tunnel (Haywood County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
Burro Schmidt Tunnel (Kern County, California)
started in 1900 finished in 1938 dug completely by William Schmidt
Tunnel under El Paso Mountains on pedestrian
Intact but closed to all traffic
Caldecott Tunnel (Alameda County, California)
First two bores built 1937, third built 1965, fourth built 2013
Set of four parallel tunnels on CA 24 in Oakland
Open to traffic
Callahan Tunnel (Suffolk County, Massachusetts)
Built 1961
Tunnel under Boston Harbor on East Boston Expressway (MA 1A)
Open to traffic
Claypool Tunnel (Pinal County, Arizona)
Built 1926; replaced by new tunnel 1952
Tunnel on former US 60
Derelict/abandoned
CN - Tunnel #1 (Pope County, Illinois)
Built 1928
Tunnel on CN (formerly IC) Railroad, southeast of Stonefort
Open to railroad traffic
CN - Tunnel #2 (Pope County, Illinois)
Built 1927
Tunnel on CN (formerly IC) Railroad near Abbot
Open to traffic
CN - Tunnel #3 (Johnson County, Illinois)
Built 1928
Tunnel on CN (formerly IC) Railroad, northeast of Grantsburg
Open to traffic
CNTP - Tunnel 13 (Scott County, Tennessee)
Built 1877
Abandoned tunnel on Abandoned Railroad
Derelict/abandoned
CNTP - Tunnel 14 (Scott County, Tennessee)
Bored in solid limestone in 1877. Taken out of service sometime in the 1930's. Tunnel floor was lowered and the creek re-routed through it to prevent the rail re-alignment from having to have two new bridges.
Tunnel on Abandoned Railroad/Creek
Intact but closed to all traffic
CNTP - Tunnel 15 (Scott County, Tennessee)
Bored in 1877, lined and finished in 1879. Cincinnati construction crews and Chattanooga construction crews met with the building of the tracks in the center of this tunnel.
Abandoned tunnel on Abandoned Railroad
Derelict/abandoned
CNTP - Tunnel 16 (Morgan County, Tennessee)
Built in 1877 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel under tunnels through Sunbright Mountain on ATV trail/abandoned railroad grade
Intact but closed to all traffic, incredibly good condition
CNTP - Tunnel 19 (Morgan County, Tennessee)
Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel
Intact but closed to all traffic
CNTP - Tunnel 20 (Morgan County, Tennessee)
Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Abandoned tunnel
Derelict/abandoned
CNTP - Tunnel 21 (Morgan County, Tennessee)
Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Lost Tunnel
Removed but not replaced; 'daylighted' that is, top blown off and cut made.
CNTP - Tunnel 23 (Morgan County, Tennessee)
Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel
Intact but closed to all traffic, near prefect condition
CNTP - Tunnel 24 (Morgan County, Tennessee)
Bored in 1878 during the construction of the Cincinnati Southern Railway, a railroad wholely owned by the city of Cincinnati, Ohio. The contracts were given to the CNO&TP, the lessor of the rail line, to finish the tunnels.
Tunnels through Nemo Mountain on Former railroad grade
Completely intact, except for fallen north portal (seperated from tunnel bore), has not carried railroad tracks since 1963.
CNTP - Tunnel 8 (McCreary County, Kentucky)
Built in 1879, bypassed in the extensive 1961-63 bypass program.
Abandoned tunnel on trail
Derelict/abandoned
CNTP - Tunnel 9 (McCreary County, Kentucky)
Built in 1879, bypassed by major line relocation of 1961-63.
Abandoned tunnel on trail
Derelict/abandoned
CNW - Buncombe Tunnel (Lafayette County, Wisconsin)
Built 1875, widened 1882; Abandoned 1938
Abandoned tunnel on Railroad
Derelict/abandoned
CNW - Strawbridge Tunnel (Lafayette County, Wisconsin)
Built 1916; Abandoned 1927
Abandoned tunnel on Railroad
Abandoned
CP - Tunnel City Tunnel (Monroe County, Wisconsin)
Built 1875
Tunnelon Canadian Pacific Railway just W of Tunnel City
Open to traffic
Craggy Flats Tunnel (Buncombe County, North Carolina)
Built ca.1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
CSX - Brocks Gap Tunnel (Jefferson County, Alabama)
Built by the L&N in 1908
Tunnel on CSX
Open to traffic
CSX - Cumberland Gap Tunnel (Claiborne County, Tennessee)
Built in 1888 -1889 by the Powell's Valley Railroad; sold the same year to the Knoxville, Cumberland Gap and Louisville Railroad; sold in 1896 to the Louisville & Nashville Railroad. Now owned by CSX Railroad to connect Norfolk-Southern RR
Tunnel under Cumberland Mountain on CSX Railroad at Cumberland Gap
Open to traffic
CSX - Fort Montgomery Tunnel (Orange County, New York)
Built 1902
Tunnel on CSX River Subdivision
Open to traffic
CSX - Haverstraw Tunnel (Rockland County, New York)
Built 1882, likely modified 1902-4 based on portal design
Tunnel under Palisades on CSX River Subdivision
Open to traffic
CSX - State Line Tunnel (Columbia County, New York)
Original tunnel built 1840, second bore added 1912, 1840 bore abandoned 1988 with single-tracking
Tunnel under Taconic Range and Tunnel Hill Rd on CSX Berkshire Subdivision
Open to traffic
Cumberland Gap Tunnel (Claiborne County, Tennessee)
Constructed started 1991; opened to traffic Oct. 18, 1996
Twin-bore tunnel under Cumberland Mountain on US 25-E at Cumberland Gap
Open to four lanes of traffic
CUOH - Cambridge Railroad Tunnel (Guernsey County, Ohio)
Built 1???, Rebuilt 1913
Railroad tunnel just west of Cambridge
Still in use
DH - Port Henry Tunnels (Essex County, New York)
Abandoned tunnel on Delaware & Hudson Railway
Derelict/abandoned
DL&W - Oswego Tunnel (Oswego County, New York)
Abandoned tunnel on Delaware, Lackawanna & Western Railroad
Abandoned, one portal filled in, the other shuttered.
DL&W - Oxford Tunnel (Warren County, New Jersey)
Completed 1862; line abandoned in 1970
Abandoned tunnel on Railroad
Derelict/abandoned, partially collapsed
Dunderberg Spiral Railway - Lower Tunnel (Rockland County, New York)
Abandoned tunnel on Dunderberg Spiral Railway
Abandoned
Dunderberg Spiral Railway - Upper Tunnel (Rockland County, New York)
Abandoned tunnel on Dunderberg Spiral Railway
Abandoned
Elroy-Sparta Trail - Tunnel #1 (Monroe County, Wisconsin)
Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry)
Open to pedestrians only
Elroy-Sparta Trail - Tunnel #2 (Monroe County, Wisconsin)
Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry) 2 mi. NW of Wilton
Open to pedestrians only
Elroy-Sparta Trail - Tunnel #3 (Monroe County, Wisconsin)
Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry) 2 mi. NW of Norwalk
Open to pedestrians only
FB&CT Trail - Cartwright Tunnel (McKenzie County, North Dakota)
Built 1912
Tunnel on Trail
Open to pedestrians only
Ferrin Knob Tunnel No. 2 (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
Fort Harry-Balsam Ridge Tunnel (Sevier County, Tennessee)
Built 1934
Tunnel under Balsam Ridge Spur on U.S. 441, New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic
Frisco - Meramec Highlands Tunnel (St. Louis County, Missouri)
Built 1883; bypassed in 1922; tracks removed 1929
Closed tunnel under Sunset Hill on the Frisco Railroad at Kirkwood
Closed with the entrances boarded up and the inside partially filled
GAP - Big Savage Tunnel (Somerset County, Pennsylvania)
Buil 1911,
Tunnel on Great Allegheny Passage
Open to pedestrians only
GAP - Borden Tunnel (Allegany County, Maryland)
Built 1911, rail line abandoned 1975
Tunnel on Great Allegheny Passage
Open to pedestrians only
GN - Horseshoe Tunnel (King County, Washington)
Built 1893 bypassed 1929 collapsed on unknown date
Lost Tunnel
Collapsed
GN - Old Cascade Tunnel (King County, Washington)
The Original Cascade Tunnel was finished in 1900 and was built to replace a series of 8 switchbacks used to get over the mountains. Deadliest avalanche in US history occurred March 1, 1910 at Wellington (western portal). 96 people killed.
Abandoned tunnel under the Cascade Mountains on abandoned Great Northern Railway grade
Abandoned
Grassy Knob Tunnel (Buncombe County, North Carolina)
ca 1930 Tunnel under Grassy Knob on Blue Ridge Parkway
Open to traffic
Hanging Lake Tunnel (Garfield County, Colorado)
Built 1992
Pair of tunnels on I-70 at Hanging Lake
Open to traffic
Harmon Tunnel (Madison County, Iowa)
Originally bored to carry a flume 1858, Widened for road use 1925; Rehabilitated 1982
Tunnel under backbone ridge on Pammel Park Rd
Open to traffic
I-70 Veterans Memorial Tunnels (Clear Creek County, Colorado)
Built 1961; widened to 3 lanes each and refaced in 2015
Tunnel under Mountain on I-70, US 6, US 40
Open to traffic
INRD - Unionville Tunnel (Monroe County, Indiana)
Built 1903
Tunnel under N. Tunnel Road on Indiana Rail Road
Open to traffic
Iron Goat Trail - Embro Tunnel (King County, Washington)
Built 1916
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Tunnel #14 (King County, Washington)
Built 1892
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Twin Tunnels (King County, Washington)
Built 1916
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Windy Point Tunnel (King County, Washington)
Built 1914
Tunnel
Intact but closed to all traffic
Iron Mountain Road Tunnel (US 16A) (Pennington County, South Dakota)
Tunnel on US 16A (Iron Mountain Road)
Open to traffic
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Bore Tunnel
View Exhibit mapA&O - Charcoal Gap Tunnel (Carroll County, Arkansas)Completed March 22, 1901; abandoned in 1961
Partially collapsed tunnel on the former Missouri and North Arkansas Railway, 7 miles northeast of Eureka Springs
Abandoned and partially collapsed
AMTK/NJT - North River Tunnels (New York County, New York)Constructed 1904-1908
Tunnel under Hudson River on Amtrak & New Jersey Transit
Open to traffic
ATN - Hardwick Tunnel (St. Clair County, Alabama)Bored 1903, Current tunnel built 1910-11
Tunnel on Railroad
Open to traffic
ATN - Laney Tunnel (Etowah County, Alabama)
Built 1851, reinforced 2010
Tunnel on Alabama & Tennessee River Railway
Open to traffic
Built 1851, reinforced 2010
Tunnel on Alabama & Tennessee River Railway
Open to traffic
Badger State Trail - Stewart Tunnel (Green County, Wisconsin)Built in 1887 by the Illinois Central Railroad
Tunnel on Badger State Trail
Open to pedestrians
Baker-Barry Tunnel (Marin County, California)Built in 1918, rebuilt 1925, widened in 1937, closed 1989, rebuilt in 1995
Tunnel under Under Marin Headlands on Bunker Road
Open to traffic
BART - Berkeley Hills Tunnel (Alameda County, California)
Bore completed in 1967, Open for revenue in 1973 they run just north of the Caldecott tunnels
Tunnel under Berkeley Hills on BART (Bay Area Rapid Transport)
Open to traffic
Bore completed in 1967, Open for revenue in 1973 they run just north of the Caldecott tunnels
Tunnel under Berkeley Hills on BART (Bay Area Rapid Transport)
Open to traffic
BART/MUNI - Market Street Subway (San Francisco County, California)Originally built 1973 for Bay Area Rapid Transit, San Francisco Municipal Railway connection added in 1980
Tunnel on Bay Area Rapid Transit & San Francisco Municipal Railway
Open to traffic
Bethany Turnpike North Tunnel (Brooke County, West Virginia)Bored 1831; Daylit 1957
Lost Tunnel under Rock on Bethany Turnpike
Daylighted
Bethany Turnpike South Tunnel (Brooke County, West Virginia)Bored 1831; Daylit 1957
Tunnel under Rock on Road
Don't know
BHP - Gleason Canyon Tunnel (White Pine County, Nevada)Built 1906
Tunnel on Railroad (BHP Nevada Railroad)
Abandoned
BN - Belmont Tunnel (Dawes County, Nebraska)Built 1889. abandoned to rail traffic in 1982
Tunnel
Bypassed Tunnel still used by RR personnel
BNSF - Anderson's Tunnel (Klickitat County, Washington)Built 1908
Tunnel on BNSF Railway
Open to traffic
BNSF - Cape Horn Tunnel (Skamania County, Washington)Tunnel on BNSF (nee Spokane, Portland & Seattle)
Open to traffic
BNSF - Cascade Tunnel (King County, Washington)Longest rail tunnnel in the US, finished in 1929 to bypass old tunnel, switchbacks, and 1.57% grade
Concrete lined tunnel under Cascade Mountains on BNSF Railway (former Great Northern Railway)
Open to traffic
BNSF - Hewitt's Tunnel (Klickitat County, Washington)Built 1908
Bridge on BNSF Railway
Open to traffic
BNSF - Jackson's Tunnel (Klickitat County, Washington)Built 1908
Tunnel on BNSF Railway
Open to traffic
BNSF - Wayne Tunnel (Cascade County, Montana)Built in 1911 by the Great Northern Railroad
Tunnel under a hill and Enger Cutoff Road on BNSF Railway
Open to traffic
BNSF - Woldson's Tunnel (Klickitat County, Washington)Built 1908
Tunnel on BNSF Railway
Open to traffic
BO - Shannon Tunnel (Doddridge County, West Virginia)
Lost Tunnel on the Parkersburg Branch of the B&O Railroad. Cut is located on the North Bend Rail Trail.
Daylighted and replaced by a cut
Lost Tunnel on the Parkersburg Branch of the B&O Railroad. Cut is located on the North Bend Rail Trail.
Daylighted and replaced by a cut
BRB&L - East Boston Tunnels (Suffolk County, Massachusetts)Built 1875; abandoned 1940
Abandoned tunnels under Jeffries Point on Boston, Revere Beach & Lynn Railroad
Derelict/abandoned
Broadway Tunnel (San Francisco County, California)Built 1952
Tunnel carries traffic under corner of Russian Hill and several streets. Four lanes of automobile, bus and truck traffic
Open to traffic
Broadway Tunnel (Los Angeles County, California)Built 1901; Removed 1949 due to the construction of the Hollywood Freeway obliterating Fort Moore Hill
Lost Tunnel under Fort Moore Hill on North Broadway
Removed
Brooklyn-Battery Tunnel (New York County, New York)Built 1940-1950
Tunnel under East River on Interstate 478
Open to traffic
Buck Spring Tunnel (Haywood County, North Carolina)Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
Burro Schmidt Tunnel (Kern County, California)started in 1900 finished in 1938 dug completely by William Schmidt
Tunnel under El Paso Mountains on pedestrian
Intact but closed to all traffic
Caldecott Tunnel (Alameda County, California)First two bores built 1937, third built 1965, fourth built 2013
Set of four parallel tunnels on CA 24 in Oakland
Open to traffic
Callahan Tunnel (Suffolk County, Massachusetts)Built 1961
Tunnel under Boston Harbor on East Boston Expressway (MA 1A)
Open to traffic
CBRY - Tunnel #2 (Pinal County, Arizona)
Built ca 1902-1904
Tunnel on Copper Basin Railway
Open to traffic
Built ca 1902-1904
Tunnel on Copper Basin Railway
Open to traffic
CBRY - Tunnel #3 (Pinal County, Arizona)
Built ca 1902-1904
Tunnel on Copper Basin Railway
Open to traffic
Built ca 1902-1904
Tunnel on Copper Basin Railway
Open to traffic
Claypool Tunnel (Pinal County, Arizona)Built 1926; replaced by new tunnel 1952
Tunnel on former US 60
Derelict/abandoned
CN - Tunnel #1 (Pope County, Illinois)Built 1928
Tunnel on CN (formerly IC) Railroad, southeast of Stonefort
Open to railroad traffic
CN - Tunnel #2 (Pope County, Illinois)Built 1927
Tunnel on CN (formerly IC) Railroad near Abbot
Open to traffic
CN - Tunnel #3 (Johnson County, Illinois)Built 1928
Tunnel on CN (formerly IC) Railroad, northeast of Grantsburg
Open to traffic
CNTP - New Tunnel 22 (Morgan County, Tennessee)
Built in 1963 as part of the tunnel bypass program which replaced tunnels 22, 23 and 24 with new 22 and new 24 and built the Emory River Bridge between the two new tunnels. It was placed in service Nov. 12, 1962.
Tunnels through mountain on Railroad, approximately 40 - 50 trains per 24 hour period
Open to traffic
Built in 1963 as part of the tunnel bypass program which replaced tunnels 22, 23 and 24 with new 22 and new 24 and built the Emory River Bridge between the two new tunnels. It was placed in service Nov. 12, 1962.
Tunnels through mountain on Railroad, approximately 40 - 50 trains per 24 hour period
Open to traffic
CNTP - Tunnel 13 (Scott County, Tennessee)Built 1877
Abandoned tunnel on Abandoned Railroad
Derelict/abandoned
CNTP - Tunnel 14 (Scott County, Tennessee)Bored in solid limestone in 1877. Taken out of service sometime in the 1930's. Tunnel floor was lowered and the creek re-routed through it to prevent the rail re-alignment from having to have two new bridges.
Tunnel on Abandoned Railroad/Creek
Intact but closed to all traffic
CNTP - Tunnel 15 (Scott County, Tennessee)Bored in 1877, lined and finished in 1879. Cincinnati construction crews and Chattanooga construction crews met with the building of the tracks in the center of this tunnel.
Abandoned tunnel on Abandoned Railroad
Derelict/abandoned
CNTP - Tunnel 16 (Morgan County, Tennessee)Built in 1877 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel under tunnels through Sunbright Mountain on ATV trail/abandoned railroad grade
Intact but closed to all traffic, incredibly good condition
CNTP - Tunnel 19 (Morgan County, Tennessee)Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel
Intact but closed to all traffic
CNTP - Tunnel 20 (Morgan County, Tennessee)Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Abandoned tunnel
Derelict/abandoned
CNTP - Tunnel 21 (Morgan County, Tennessee)Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Lost Tunnel
Removed but not replaced; 'daylighted' that is, top blown off and cut made.
CNTP - Tunnel 23 (Morgan County, Tennessee)Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Tunnel
Intact but closed to all traffic, near prefect condition
CNTP - Tunnel 24 (Morgan County, Tennessee)Bored in 1878 during the construction of the Cincinnati Southern Railway, a railroad wholely owned by the city of Cincinnati, Ohio. The contracts were given to the CNO&TP, the lessor of the rail line, to finish the tunnels.
Tunnels through Nemo Mountain on Former railroad grade
Completely intact, except for fallen north portal (seperated from tunnel bore), has not carried railroad tracks since 1963.
CNTP - Tunnel 8 (McCreary County, Kentucky)Built in 1879, bypassed in the extensive 1961-63 bypass program.
Abandoned tunnel on trail
Derelict/abandoned
CNTP - Tunnel 9 (McCreary County, Kentucky)Built in 1879, bypassed by major line relocation of 1961-63.
Abandoned tunnel on trail
Derelict/abandoned
CNW - Buncombe Tunnel (Lafayette County, Wisconsin)Built 1875, widened 1882; Abandoned 1938
Abandoned tunnel on Railroad
Derelict/abandoned
CNW - Strawbridge Tunnel (Lafayette County, Wisconsin)Built 1916; Abandoned 1927
Abandoned tunnel on Railroad
Abandoned
CNW - Tunnel City Tunnel (Monroe County, Wisconsin)
Built 1911; Collapsed 1972; Bricked up 1975
Collapsed Tunnel on Railroad
Collapsed.
Built 1911; Collapsed 1972; Bricked up 1975
Collapsed Tunnel on Railroad
Collapsed.
CP - Fort Ticonderoga Tunnel (Essex County, New York)
Tunnel under Fort Ticonderoga Access Road on Canadian Pacific Railway
Open to traffic
Tunnel under Fort Ticonderoga Access Road on Canadian Pacific Railway
Open to traffic
CP - Tunnel City Tunnel (Monroe County, Wisconsin)Built 1875
Tunnelon Canadian Pacific Railway just W of Tunnel City
Open to traffic
Craggy Flats Tunnel (Buncombe County, North Carolina)Built ca.1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
CSX - Brocks Gap Tunnel (Jefferson County, Alabama)Built by the L&N in 1908
Tunnel on CSX
Open to traffic
CSX - Cumberland Gap Tunnel (Claiborne County, Tennessee)Built in 1888 -1889 by the Powell's Valley Railroad; sold the same year to the Knoxville, Cumberland Gap and Louisville Railroad; sold in 1896 to the Louisville & Nashville Railroad. Now owned by CSX Railroad to connect Norfolk-Southern RR
Tunnel under Cumberland Mountain on CSX Railroad at Cumberland Gap
Open to traffic
CSX - Fort Montgomery Tunnel (Orange County, New York)Built 1902
Tunnel on CSX River Subdivision
Open to traffic
CSX - Haverstraw Tunnel (Rockland County, New York)Built 1882, likely modified 1902-4 based on portal design
Tunnel under Palisades on CSX River Subdivision
Open to traffic
CSX - State Line Tunnel (Columbia County, New York)Original tunnel built 1840, second bore added 1912, 1840 bore abandoned 1988 with single-tracking
Tunnel under Taconic Range and Tunnel Hill Rd on CSX Berkshire Subdivision
Open to traffic
Cumberland Gap Tunnel (Claiborne County, Tennessee)Constructed started 1991; opened to traffic Oct. 18, 1996
Twin-bore tunnel under Cumberland Mountain on US 25-E at Cumberland Gap
Open to four lanes of traffic
CUOH - Cambridge Railroad Tunnel (Guernsey County, Ohio)Built 1???, Rebuilt 1913
Railroad tunnel just west of Cambridge
Still in use
DH - Port Henry Tunnels (Essex County, New York)Abandoned tunnel on Delaware & Hudson Railway
Derelict/abandoned
DL&W - Oswego Tunnel (Oswego County, New York)Abandoned tunnel on Delaware, Lackawanna & Western Railroad
Abandoned, one portal filled in, the other shuttered.
DL&W - Oxford Tunnel (Warren County, New Jersey)Completed 1862; line abandoned in 1970
Abandoned tunnel on Railroad
Derelict/abandoned, partially collapsed
DRGW - Tennessee Pass Tunnel (Eagle County, Colorado)
Built 1890; Replaced by the current tunnel in 1945; Caved in July 10, 2012, creating a sinkhole that affected US 24
Lost Tunnel on Denver & Rio Grande Western Railroad
Collapsed
Built 1890; Replaced by the current tunnel in 1945; Caved in July 10, 2012, creating a sinkhole that affected US 24
Lost Tunnel on Denver & Rio Grande Western Railroad
Collapsed
Dunderberg Spiral Railway - Lower Tunnel (Rockland County, New York)Abandoned tunnel on Dunderberg Spiral Railway
Abandoned
Dunderberg Spiral Railway - Upper Tunnel (Rockland County, New York)Abandoned tunnel on Dunderberg Spiral Railway
Abandoned
Elroy-Sparta Trail - Tunnel #1 (Monroe County, Wisconsin)Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry)
Open to pedestrians only
Elroy-Sparta Trail - Tunnel #2 (Monroe County, Wisconsin)Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry) 2 mi. NW of Wilton
Open to pedestrians only
Elroy-Sparta Trail - Tunnel #3 (Monroe County, Wisconsin)Built 1873
Tunnel on Elroy Sparta State Trail (former C&NW Ry) 2 mi. NW of Norwalk
Open to pedestrians only
FB&CT Trail - Cartwright Tunnel (McKenzie County, North Dakota)Built 1912
Tunnel on Trail
Open to pedestrians only
Ferrin Knob Tunnel No. 2 (Henderson County, North Carolina)Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic
Fort Harry-Balsam Ridge Tunnel (Sevier County, Tennessee)Built 1934
Tunnel under Balsam Ridge Spur on U.S. 441, New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic
Fort Snelling Tunnel (Hennepin County, Minnesota)
Built 1961
Tunnel over MN 5 on Parking Lot
Open to traffic
Built 1961
Tunnel over MN 5 on Parking Lot
Open to traffic
Francis Road Tunnel (Gallatin County, Montana)
Built ca. 1908, abandoned 1980
Tunnel on Francis Road
Open to traffic
Built ca. 1908, abandoned 1980
Tunnel on Francis Road
Open to traffic
Frisco - Meramec Highlands Tunnel (St. Louis County, Missouri)Built 1883; bypassed in 1922; tracks removed 1929
Closed tunnel under Sunset Hill on the Frisco Railroad at Kirkwood
Closed with the entrances boarded up and the inside partially filled
GAP - Big Savage Tunnel (Somerset County, Pennsylvania)Buil 1911,
Tunnel on Great Allegheny Passage
Open to pedestrians only
GAP - Borden Tunnel (Allegany County, Maryland)Built 1911, rail line abandoned 1975
Tunnel on Great Allegheny Passage
Open to pedestrians only
GN - Horseshoe Tunnel (King County, Washington)Built 1893 bypassed 1929 collapsed on unknown date
Lost Tunnel
Collapsed
GN - Old Cascade Tunnel (King County, Washington)The Original Cascade Tunnel was finished in 1900 and was built to replace a series of 8 switchbacks used to get over the mountains. Deadliest avalanche in US history occurred March 1, 1910 at Wellington (western portal). 96 people killed.
Abandoned tunnel under the Cascade Mountains on abandoned Great Northern Railway grade
Abandoned
Grassy Knob Tunnel (Buncombe County, North Carolina)ca 1930 Tunnel under Grassy Knob on Blue Ridge Parkway
Open to traffic
Hanging Lake Tunnel (Garfield County, Colorado)Built 1992
Pair of tunnels on I-70 at Hanging Lake
Open to traffic
Harmon Tunnel (Madison County, Iowa)Originally bored to carry a flume 1858, Widened for road use 1925; Rehabilitated 1982
Tunnel under backbone ridge on Pammel Park Rd
Open to traffic
I-70 Veterans Memorial Tunnels (Clear Creek County, Colorado)Built 1961; widened to 3 lanes each and refaced in 2015
Tunnel under Mountain on I-70, US 6, US 40
Open to traffic
IC Lost Gap Tunnel (Lauderdale County, Mississippi)
Tunnel; daylighted c. 1950s
Lost Tunnel on IC
No longer exists
Tunnel; daylighted c. 1950s
Lost Tunnel on IC
No longer exists
INRD - Unionville Tunnel (Monroe County, Indiana)Built 1903
Tunnel under N. Tunnel Road on Indiana Rail Road
Open to traffic
Iron Goat Trail - Embro Tunnel (King County, Washington)Built 1916
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Tunnel #14 (King County, Washington)Built 1892
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Twin Tunnels (King County, Washington)Built 1916
Tunnel
Intact but closed to all traffic
Iron Goat Trail - Windy Point Tunnel (King County, Washington)Built 1914
Tunnel
Intact but closed to all traffic
Iron Mountain Road Tunnel (US 16A) (Pennington County, South Dakota)Tunnel on US 16A (Iron Mountain Road)
Open to traffic
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