There are 898 bridges in this category · Only showing 456 bridges with photos
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Tunnel

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CNW - Strawbridge Tunnel (Lafayette County, Wisconsin)
Built 1916; Abandoned 1927
Abandoned tunnel on Railroad
Abandoned

Cornell Tunnel No. 1 (Multnomah County, Oregon)
Built 1940
Tunnel on NW Cornell Road in Portland
Open to traffic

Cornell Tunnel No. 2 (Multnomah County, Oregon)
Built 1941
Tunnel on NW Cornell Road in Portland
Open to traffic

CORP - Cow Creek Tunnel No. 2 (Douglas County, Oregon)
Built 1882
Tunnel on Central Oregon and Pacific Railroad (CORP)
Open to traffic

CORP - Tunnel No. 13 (Jackson County, Oregon)
Built 1887, Site of the "Last Great Train Robbery of the West" on October 11, 1923.
Tunnel through the Siskiyou Mountains on Central Oregon and Pacific Railroad (CORP)
Open to traffic

CP - Tunnel City Tunnel (Monroe County, Wisconsin)
Built 1875
Tunnel under Land on CP Railway just W of Tunnel City
Open to traffic

Craggy Pinnacle Tunnel (Buncombe County, North Carolina)
Tunnel under Craggy Pinnacle on Blue Ridge Parkway
Open to traffic

CSX - Carothers Tunnel (Morgan County, West Virginia)
Built 1914, modified (notched) ca 2010 for double-stack containers
Tunnel on CSX Transportation, Cumberland Subdivision


CSX - Chetoogeta Mountain Tunnel (Whitfield County, Georgia)
Started July 1927, completed December 1928
Tunnel under Chetoogeta Mountain on CSX Railroad (Formerly L & N Railroad, NC&StL Railroad ) in Tunnel Hill
Open to rail traffic

CSX - Click Tunnel (Hawkins County, Tennessee)
Click Railroad Tunnel at Frisco, Tennessee is one of 55 tunnels on old Clinchfield Railroad, located between Sensabaugh Tunnel 2,000 feet south, and Norfolk-Southern RR Crossing, 1,000 feet north


CSX - Cumberland Mountain Tunnel (Franklin County, Tennessee)
Built 1852 by Stevenson,V.K
Tunnel under Cumberland Mountains on CSX Railroad
Open to traffic

CSX - Fort Montgomery Tunnel (Orange County, New York)
Built 1902
Tunnel on CSX River Subdivision
Open to traffic

CSX - Graham Tunnel (Allegany County, Maryland)
Built 1914, modified (notched) ca 2010 for double-stack containers
Tunnel on CSX Cumberland Subdivision
Open to traffic

CSX - Harpers Ferry Tunnel (Washington County, Maryland)
Built 1931
Tunnel on Railroad
Open to traffic

CSX - Howard Street Tunnel (Baltimore, Maryland)
1895
Tunnel on CSX Railroad
Open to traffic

CSX - Ilchester Tunnel (Baltimore County, Maryland)
Built 1903
Tunnel on CSX Railroad (formerly B&O Railroad Old Main Line)
Open to traffic

CSX - Loughridge Road Overpass (Murray County, Georgia)
Built 1940
Tunnel over CR 23 (Loughridge Road) on CSX Railroad
Open to traffic

CSX - Pinkerton Tunnel (Somerset County, Pennsylvania)
Built 1885, daylighted ca. 2012 for higher clearances
Tunnel on Railroad (CSX)
Demolished

CSX - Point of Rocks Tunnel (Frederick County, Maryland)
formerly B&O Railroad, carries west bound track under spur of Catoctin Mountain
Tunnel on CSX Railroad
Open to traffic

CSX - Ridgetop Tunnel (Robertson County, Tennessee)
Built 1905 by the Nashville, Chattanooga & St. Louis RR (predecessor to the Louisville & Nashville RR, later CSX).. was longest free standing tunnel in the world when completed.
Tunnel under town of Ridgetop, Tennessee on CSX Railroad
Open to traffic

CSX - Russell Tunnel (Dickenson County, Virginia)
Tunnel on CSX
Open to traffic

CSX - Sand Patch Tunnel (Somerset County, Pennsylvania)
Built 1912, notched 2011-12 for doublestack containers
Tunnel under Allegheny Mountains on CSX Keystone Subdivision
Open to traffic

CSX - Sandy Ridge Tunnel (Dickenson County, Virginia)
Built 1914 as part of the Elkhorn Extension, the last 35 miles of the railroad built between Elkhorn City, Kentucky and Spartanburg, South Carolina
Tunnel under Sandy Ridge (Tennessee Valley Divide) on CSX Railroad (formerly Clinchfield Railroad)
Tunnel is open to rail traffic, vented in two locations on Sandy Ridge

CSX - Solway Tunnel (Knox County, Tennessee)
Tunnel under TN Highway 62 on CSXT Railroad
Open to traffic

CSX - Stretchers Neck Tunnel (Fayette County, West Virginia)
Built 1930-32
Tunnel under unknown ridge, CR 25 (McKendree Rd.) on CSX Railroad at Prince
Open to traffic

CSX - Tunnelton Tunnel (Lawrence County, Indiana)
Originally built for 6' gauge. Lined with brick and shortened to 1731 ft. about 1898
Tunnel on CSX Transportation
Open to traffic

CSX - Twin Tunnels (Scott County, Virginia)
Two Clinchfield Railroad tunnels on the same tangent at Hill, Virginia
2 Adjacent Railroad Tunnels through Starnes Ridge at Hill, Virginia
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 Railroad Bridge (Stafford County, Virginia)
Built 1926
arch over Naomi Rd. in Fredericksburg
Open to traffic

CSX Tunnel (Spartanburg County, South Carolina)
Built by the Clinchfield Railroad in order to interchange with Atlantic Coast Line and Piedmont & Northern without going through the Southern Railway yard.
CSX Tunnel under Norfolk Southern Railway (former Southern), Magnolia Street & N. Church Street (US-221/SC-56)
Open to railroad traffic

Culvert Road Tunnel (Orleans County, New York)
Built 1823
Stone arch tunnel under the Erie Canal on Culvert Road
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

CUOH - Goulds Block Tunnel (Jefferson County, Ohio)
Tunnel on Columbus and Ohio River Railroad
Open to traffic

Dennis L. Edwards Tunnel (Washington County, Oregon)
Built in 1940
Tunnel on US 26
Open to traffic

Detroit-Windsor Tunnel (Wayne County, Michigan)
Built 1930
Tunnel under Detroit River on US I-375/M-10 & Former Canada 3B in Windsor, Ontario Canada and Detroit
Open to traffic

Devil's Slide Tunnel (San Mateo County, California)
Built 2013
Tunnel under Devil's Slide promontory on Hwy 1
Open to traffic

Dingess Tunnel (Mingo County, West Virginia)
Built 1914
Masonry tunnel on CR 3/5
Open to traffic

Divide Tunnel (Paulding County, Georgia)
Built 1904, abandoned by the railroad in 1988, now used by bicyclists and pedestrians on the Silver Comet Trail
Tunnel under Brushy Mountain on the Silver Comet Trail (Formerly the Seaboard Airline Railway)
Open to bicyclists and pedestrians

DL - Nay Aug Tunnel (Lackawanna County, Pennsylvania)
The tunnel on the north, built in 1856, is currently active. The tunnel on the south, built in 1905, was damaged by a hurricane in 1955.
Tunnel on Delaware-Lackawanna Railroad
Open to traffic

Dornan Drive Tunnel (Contra Costa County, California)
Built 1912
Tunnel on Dornan Drive in Richmond
Open to traffic

DT&I - Royersville Tunnel (Lawrence County, Ohio)
Built 1851, Abanedoned 1982 after a rockfall
Abandoned tunnel on Removed Railroad (DT&I) & Railroad (CH&D) (1882-1917
Abandoned

Duncan Tunnel (Floyd County, Indiana)
Longest tunnel in Indiana
Tunnel under Edwardsville and I-64 on NS (Former Southern) Railway in Edwardsville
Open to traffic

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

East River Mountain Tunnel (Bland County, Virginia)
Built 1974
Tunnel under East River Mountain on I-77
Open to traffic

EBT - Sideling Hill Tunnel (Huntingdon County, Pennsylvania)
Built by B.J. McGrann and Company of Lancaster. Opened on September 12, 1874.
Tunnel under Sideling Hill on Former EBT
Derelict/abandoned

Edgewater Tunnel (Bergen County, New Jersey)
Built 1894 by New York, Susquehanna & Western Railroad to gain access to Hudson River Waterfront. Tracks removed 1992, Pipeline project completed 2013
Tunnel on Railroad through Hudson Palisades
Derelict/abandoned

Elephant Butte Tunnel (Plumas County, California)
Built 1937
Tunnel under Elephant Butte on State Route 70
Open to traffic

Elk Creek Tunnel (Douglas County, Oregon)
Built 1932
Tunnel on OR 38
Open to traffic

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

Fairchild Street CSX Tunnel (Vermilion County, Illinois)
Built 1915, buried by fill in 2012-13
Buried concrete tunnel over Fairchild Street on CSX Transportation in Danville
Filled in

Fairchild Street NS Tunnel (Vermilion County, Illinois)
Built 1915, buried by fill in 2012-13
Buried concrete tunnel over Fairchild Street on Norfolk Southern Railroad in Danville
Filled in

FB&CT Trail - Cartwright Tunnel (McKenzie County, North Dakota)
Built 1912
Tunnel on Trail
Open to pedestrians only

FIMX - Willet Hollow Tunnel (Roane County, Tennessee)
Tunnel was built as the last section of the railroad from Monterey to Glen Alice, Tennessee (later changed to Rockwood)
Tunnel under Mount Roosevelt Gap on Franklin Industrial Minerals RR.
Track is operated every other day Monday through Friday by Franklin Industrial Minerals. Train departs FIMX complex bound for Rockwood at 8am CST.

Fort Columbia Tunnel (Pacific County, Washington)
Built 1932
Tunnel on US 101
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

Free Hill Tunnel (Washington County, Tennessee)
One of 55 tunnels built 1908-1909 by the South & Western Railroad (Carolina, Clinchfield and Ohio Railroad), rehabilitated and enlarged 1927
Tunnel under Free Hill on CSX (Clinchfield) Railroad
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)
Buil 1911,
Tunnel on Great Allegheny Passage
Open to pedestrians only

Gaviota Tunnel (Santa Barbara County, California)
Built 1953
Tunnel Northbound US 101, Gaviota Gorge
Open to traffic

George C. Wallace Tunnel (Mobile County, Alabama)
Built 1973
Dual four-lane tunnel under Mobile River on I-10 in Mobile
Open to traffic

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

Going-To-The-Sun Road - East Side Tunnel (Glacier County, Montana)
Built 1934
Tunnel on Going-To-The-Sun Road
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 just north of Lambs Ferry Road in Ryland Heights
Open to railroad traffic

Gray Summit Tunnel (Franklin County, Missouri)
Bored when the MPRR line Through Gray Summit was rebuilt to handle increased rail traffic.
Tunnel underneath the town of Gray Summit on the Union Pacific Railroad
Open to two-track railroad traffic

Green River I-80 Twin Tunnels (Sweetwater County, Wyoming)
Built 1966
Pair of tunnels on I-80, mile 89 at Green River
Open to traffic

Greenbrier River Trail - Droop Mountain Tunnel (Greenbrier County, West Virginia)
Tunnel over Greenbrier River Trail
Open to pedestrians only

Greenwood Tunnel (Albemarle County, Virginia)
Built 1850-1853
Abandoned tunnel on Blue Ridge Railroad
Derelict/abandoned

Grizzly Dome Tunnel (Plumas County, California)
Built 1936
Tunnel under Grizzly Dome on State Route 70
Open to traffic

Hamburg Trail Tunnel (St. Charles County, Missouri)
Built as part of a US Govn't Railroad branch line from the KATY RR to Weldon Springs Army Reserve
Tunnel under under Highway 94 on Hamburg Trail (from USG Railroad)
Open to pedestrians

Hampton Roads Bridge-Tunnel (Hampton, Virginia)
Buil 1957 (WB), Built 1976 (EB)
Tunnel under Hampton Roads on Hampton Roads Bletway/US60/I64
Open to 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 Rd Tunnel (Dearborn County, Indiana)
This was a part of a Big 4 Railroad line improvement about 1907.
Tunnel under ex Big 4 Railroad on Happy Hollow Rd
Open to traffic

Harmon Tunnel (Madison County, Iowa)
Built 1925; rehabilitated 1982
Tunnel under backbone ridge on Pammel Park Rd
Open to traffic

Hell's Gate (Clay County, Indiana)
Built 1906
Tunnel on Rock Run Church Rd under CSX Railroad
Open to Traffic

Heritage Rail Trail - Howard Tunnel (York County, Pennsylvania)
Built 1836, Rebuilt in 1865
Tunnel on York Heritage Trail & Northern Central Railway
Open to bicyclists, horseback, and pedestrians on trail side. The rail is clear and allows for rail bikes, speeders, and hobby-builds. Once a year the Steam into History Excursions runs through this tunnel.

Holland Tunnel (Hudson County, New Jersey)
Built 1927
Tunnel under Hudson River on Interstate 78
Open to traffic

Hoosac Tunnel (Berkshire County, Massachusetts)
Longest tunnel built at its time, 194 killed during construction, most important piece of railroad history.
Tunnel under Hoosac Mountains on Pan Am Railways
Open with daily traffic

Horn's Creek Road Tunnel (Polk County, Tennessee)
Built 1906
Tunnel over Horn's Creek Road on CSX Railroad 347931b
Open to traffic

Houma Intracoastal Waterway Tunnel (Terrebonne Parish, Louisiana)
Built 1961
Tunnel under I.C Waterway Houma Tunne on La3040
Unknown status

Hubbard's Cave (Cook County, Illinois)
Built 1959.
Tunnel on I-90/I-94 Kennedy Expy
Open to traffic

Hurricane Ridge Road Tunnel (Clallam County, Washington)
Tunnel under Mountains on Hurricane Ridge Road
Open to traffic

I-40 Tunnel (Haywood County, North Carolina)
Double tube tunnel
Tunnel on I-40
Open to traffic

I-90 - Mercer Island Tunnel (King County, Washington)
Built 1989
Tunnel on I-90 at Mercer Island
Open to traffic

I-90 - Mt. Baker Ridge Tunnel (King County, Washington)
Built 1940 and twinned in 1989
Pair of tunnels under Mt. Baker Ridge on I-90 in Seattle
Open to traffic

IC - Stewart Tunnel (Green County, Wisconsin)
Built in 1887 by the Illinois Central Railroad
Tunnel on Badger State Trail
Open to pedestrians

IC Tunnel #1 (Johnson County, Illinois)
Built 1928
Tunnel on CN (formerly IC) Railroad, northeast of Grantsburg
Open to traffic

INRD - Cold Springs Road Overpass (Greene County, Indiana)
Tunnel under Indiana Railroad on Cold Springs Road
Open to traffic

INRD - Unionville Tunnel (Monroe County, Indiana)
Built 1903
Tunnel under N. Tunnel Road on Indiana Railroad
Open to traffic

Iron Goat Trail - Twin Tunnels (King County, Washington)
Built 1893; Snowshed added 1914/1916; Abandoned 1929
Tunnel on Iron Goat Trail
Open to pedestrians only

Iron Horse Trail - Snoqualmie Tunnel (King County, Washington)
Built 1914 by the Chicago, Milwaukee, Saint Paul, and Pacific Railroad. Rehabilitated 2011
Tunnel on Pedestrian trail under Snoqualmie Pass
Open to pedestrians

Iron Mountain Road Tunnel (US 16A) (Pennington County, South Dakota)
Tunnel on US 16A (Iron Mountain Road)
Open to traffic

Iron Mountain Road Tunnel (US 16A) #3 (Pennington County, South Dakota)
Tunnel on Iron Mountain Road (US 16A)


John Fitch Way Tunnel (Mercer County, New Jersey)
Tunnel on John Fitch Way
Open to traffic

John H. Bankhead Tunnel (Mobile County, Alabama)
Built 1940
Single two-lane tunnel under Mobile River on US 98 (old U.S. 90) in Mobile
Open to traffic

Katy Trail - Rocheport Tunnel (Howard County, Missouri)
Built 1893
Railroad tunnel on the Katy Trail just west of Rocheport in Rocheport
Open to pedestrians and bicyclists only