There are 1,150 bridges in this category · Only showing 622 bridges with photos
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Tunnel

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Midland Tunnel No. 1 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
First of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 2 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Second of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 3 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Third of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 4 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Fourth of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Mill Street Tunnel (Pendleton County, Kentucky)
Tunnel under CSX rail line in Butler
Open to traffic

MILW - Amphitheatre Tunnel (Chouteau County, Montana)
Built 1913
Abandoned tunnel on former Milwaukee Road Railway
Derelict/abandoned and partially collapsed

MILW - Beavertail Tunnel (Missoula County, Montana)
Built 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Belt Creek Tunnel (Chouteau County, Montana)
Built 1913
Abandoned tunnel on former Milwaukee Road Railway
Derelict/abandoned

MILW - Blacktail Tunnel #2 (Silver Bow County, Montana)
Built 1908
Abandoned tunnel on Railroad (MILW)
Abandoned

MILW - Cyr Tunnel (Mineral County, Montana)
Built ca. 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Eagle's Nest Tunnel (Gallatin County, Montana)
Tunnel on Francis Road (Formerly Milwaukee Road)
Open to private traffic only.

MILW - Garrison Tunnel (Powell County, Montana)
Built 1908
Abandoned tunnel on Railroad (MILW)
Abandoned

MILW - Lombard Tunnel (Broadwater County, Montana)
Abandoned tunnel on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned

MILW - Nimrod Tunnel (Granite County, Montana)
Built 1908, abandoned 1980
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railway
Derelict/abandoned

MILW - Ninemile Tunnel (Missoula County, Montana)
Built ca. 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Pipestone Pass Tunnel (Silver Bow County, Montana)
Built 1908
Abandoned tunnel under Pipestone Pass on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Red Coulee Tunnel (Cascade County, Montana)
Built 1914
Abandoned tunnel on Former Milwaukee Road Railway
Derelict/abandoned

MILW - Tunnel (Vernon County, Wisconsin)
Built 1900; Abandoned in the 1950s
Lost Tunnel on Railroad
Filled in

MNA - Cotter Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the MNA Railroad (formerly Missouri Pacific) just northwest of Cotter
Open to railroad traffic

MNA - Crest Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) Railway northwest of Omaha
Open to railroad traffic

MNA - Cricket Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) just south of Omaha
Open to railroad traffic

MNA - Pyatt Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the Missouri and Northern Arkansas Railroad (formerly Missouri Pacific) southeast of Pyatt
Open to railroad traffic

MNA - Reeds Spring Tunnel (Stone County, Missouri)
Tunnel on the MNA Railroad just southeast of Reeds Spring
Open to railroad traffic

MNCW - Breakneck Ridge Tunnels (Dutchess County, New York)
Tunnel under Breakneck Ridge on Metro-North Commuter Railroad
Open to traffic

MNCW - Garrison Tunnel (Putnam County, New York)
Tunnel on Metro-North Hudson Line West Track
Open to traffic

MNCW - Otisville Tunnel (Orange County, New York)
Built 1908 by Erie Railroad
Tunnel on Metro-North Railroad
Open to traffic

Monitor-Merrimac Memorial Bridge-Tunnel (Suffolk, Virginia)
Built 1992
Tunnel under Hampton Roads on I-664
Open to traffic

Montgomery Tunnel (Montgomery County, Virginia)
Built by Norfolk and Western about 1890
Tunnel on Railroad
Open to traffic

Moonville Rail Trail - Kings Hollow Tunnel (Athens County, Ohio)
Built 1855
Abandoned tunnel on former CSX(B&O) line
Derelict/abandoned

Moonville Rail Trail - Moonville Tunnel (Vinton County, Ohio)
Built 1857 and abandoned in 1989
Abandoned tunnel with approach that crosses Raccoon Creek on CSX line between Cumberland, Maryland and Cincinnati
Abandoned, but used by pedestrians

MoPac - East Barretts Tunnel (St. Louis County, Missouri)
Built 1851-1853; Abandoned 1944
Lost Tunnel on Missouri Pacific Railroad
Tunnel demolished in 2000's

Mopac - Glenallen Tunnel (Bollinger County, Missouri)
Completed August 14, 1869; Final train through in April 1973; Abandoned 1974
Abandoned railroad tunnel north of Glenallen on the Belmont Branch, Iron Mountain Railroad; Later Missouri Pacific
Abandoned and inaccessible on private land

MoPac - West Barretts Tunnel (St. Louis County, Missouri)
Built between 1851-53 by the Pacific (later MO Pacific) Railroad for a single broad gauge track; Gauge standardized in 1869. Tunnel remained in service until congestion caused the railroad to bypass the tracks via a cut 100' to the south in 1944.
Tunnel under a hill in Kirkwood, MO on former Missouri Pacific Railroad
Abandoned

Morton-State Line Ridge Tunnel (Sevier County, Tennessee)
Built as one of 3 masonry-faced tunnels, along with bridges, on the New Found Gap Road
Tunnel under spur of State Line Ridge on U.S. 441 New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic

Mosier Tunnel (Wasco County, Oregon)
Built 1920, Closed due to rock fall problems 1953, Reopened to public in 2000
Tunnel under Mosier Tunnel on Historical Columbia River Highway Trail
Open to pedestrians

MRL - Bonita Tunnel (Missoula County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Garrison Tunnel (Powell County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Mullan Tunnel (Lewis and Clark County, Montana)
Built 1883, enlarged and shortened 2009-10
Bridge over Mullan Pass/Continental Divide on Montana Rail Link
Open to traffic

MRL - Nimrod Tunnel (Granite County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

N&W - Coaldale Tunnel (Mercer County, West Virginia)
Abandoned 1950
Abandoned tunnel for Norfolk & Western Railway
Abandoned

Nada Tunnel (Powell County, Kentucky)
Was constructed to haul logs via narrow gauge railroad from timber operations in the Gorge. Construction began in December 1910 and was completed in September 1911. Rock and dirt were removed by dynamite, steam drills and hand tools
Tunnel on KY 77
Open to traffic

NECR - Bellows Falls Tunnel (Windham County, Vermont)
Built 1851 Floor lowered 1897, 1977, & 2007
Tunnel on Railroad
Open to traffic

Needle's Eye Tunnel (Boulder County, Colorado)
Built 1903-1905; Bypassed 1928; Abandoned 1935; Reopened as a road 1955-1979 and 1988-1990.
Tunnel on Abandoned Moffat Road
Closed to all traffic

Newcastle Tunnel (Placer County, California)
This US Highway 40 tunnel opened in 1932 bypassing the bottleneck in the community of Newcastle.
Formet Hwy 40 Tunnel under Under hillside and BNSF,Amtrak Railroad on Taylor Rd
Open to traffic

NH - Steep Rock Tunnel (Litchfield County, Connecticut)
Built 1871, abandoned 1948
Tunnel on Shepaug, Litchfield & Northern Railroad bed
Open to pedestrians only

NJT - North Bergen Tunnel (Hudson County, New Jersey)
Built 1873-1877
Tunnel under Bergen Hill on Delaware, Lackawanna & Western Railroad
Open to traffic

NJT - South Bergen Tunnel (Hudson County, New Jersey)
Built 1908-1911
Tunnel under Bergen Hill on New Jersey Transit
Open to traffic

No Name Tunnel (Garfield County, Colorado)
Built 1965
Pair of tunnels on I-70 at Horseshoe Curve east of Glenwood Springs
Open to traffic

North Bend Rail Trail - Bonds Creek Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Brandy Gap Tunnel (Harrison County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Central Station Tunnel (Doddridge County, West Virginia)
Tunnel over North Bend Rail Trail


North Bend Rail Trail - Dick Bias Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Eaton Tunnel (Wood County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Long Run Tunnel (Doddridge County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Silver Run Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail on County Road 15/7
Open to pedestrians only

North Bend Rail Trail - Tunnel # 3 (Doddridge County, West Virginia)
Abandoned tunnel over Abandoned Railroad
Derelict/abandoned

North Bend Rail Trail - Tunnel #11 (Ritchie County, West Virginia)
Built 1857
Lost Tunnel for the Parkersburg Branch of the B&O Railroad. Cut is located on the North Bend Rail Trail.
Daylighted and replaced by a cut

North Bend Rail Trail - Tunnel #12 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Tunnel #14 (Ritchie County, West Virginia)
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #15 (Ritchie County, West Virginia)
Bored in 1857 and daylighted in 1963.
Daylighted Tunnel for the Parkersburg Branch of the B&O Railroad
Daylighted and replaced by a cut

North Bend Rail Trail - Tunnel #16 (Ritchie County, West Virginia)
Bored 1857 and daylighted 1963
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #17 (Ritchie County, West Virginia)
Bored 1857 and bypassed in 1963
Abandoned tunnel
Derelict/abandoned after being bypassed by a cut

North Bend Rail Trail - Tunnel #18 (Ritchie County, West Virginia)
Bored 1857 and daylighted 1963.
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #22 (Wood County, West Virginia)
Bored 1857 and bypassed by a cut in 1963
Abandoned tunnel
Derelict/abandoned

North Bend Rail Trail - Tunnel #7 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Tunnel #8 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Matilija Tunnel (Ventura County, California)
Built 1931
North Matilija Tunnel on State Route 33
Open to traffic

NP - Bozeman Tunnel (Gallatin County, Montana)
Built 1884, abandoned 1945
Abandoned tunnel under Bozeman Pass on Northern Pacific Railroad
Derelict/abandoned

NP - Iron Ridge Tunnel (Lewis and Clark County, Montana)
Lost Tunnel on Northern Pacific Railroad
Bypassed and collapsed

NS - Allegheny Tunnel (Blair County, Pennsylvania)
Constructed 1851-854, Reconstructed in 1941, Adapted for COFC trains in 1994-1995
Tunnel under Allegheny Mountains on Norfolk Southern Railway (formerly PRR)
Open to traffic

NS - Black Rock Tunnel (Chester County, Pennsylvania)
Built 1838-39, Enlarged 1915, 1994
Tunnel under Black Rock Road on Norfolk Southern Railroad (Former Reading RR)
Open to traffic

NS - Elk Gap Tunnel (Campbell County, Tennessee)
Served as N-S spur connection to CSX main line near Jellico
Inactive tunnel under Elk Gap on former Norfolk Southern Railroad
Intact but closed to all traffic

NS - Fellows Tunnel (Jefferson County, Ohio)
Originally built for the Wabash-Pittsburgh Terminal Ry. expansion into Pittsburgh
Tunnel on Norfolk Southern Railway (former Norfolk & Western Railway)
Open to rail traffic

NS - Flat Rock Tunnel (Montgomery County, Pennsylvania)
Construction started 1838, completed 1840 by the Reading Railroad, widened 1859-60. Height increased early 21st century
Bridge on Norfolk Southern Railroad
Open to traffic

NS - Gallitzin Tunnel (Blair County, Pennsylvania)
Constructed 1902-1904, Subsequent work 1905, 1912, 1920, Closed 1995
Tunnel under Tunnel under Allegheny Mountains on Norfolk Southern Railway (formerly PRR) on Norfolk Southern Railway (formerly PRR)
Closed to all traffic

NS - Hanna Tunnel (Harrison County, Ohio)
Originally built for the Wabash-Pittsburgh Terminal Ry. expansion into Pittsburgh
Tunnel on Norfolk Southern Railway (former Norfolk & Western Railway)
Open to traffic

NS - 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

NS - Landis Ridge Tunnel (Bucks County, Pennsylvania)
Built 1853-1857; Alterations 1911
Tunnel under Landis Ridge on Railroad
Open to traffic

NS - Lookout Mountain Tunnel (Hamilton County, Tennessee)
Built 1907 for SOU
Tunnel on NS
Open to traffic

NS - Merrimac Tunnel (Montgomery County, Virginia)
Built 1914
Tunnel under under town on railroad
Open to traffic

NS - Natural Tunnel (Scott County, Virginia)
Railroad built through the naturally-formed tunnel in 1893.
Tunnel under Natural Tunnel on Norfolk Southern Railway
Open to traffic

NS - Rexford Tunnel (Harrison County, Ohio)
Tunnel on Norfolk Southern Railway (former Norfolk & Western Railway)
Open to traffic

NS-Horseshoe Bend Road Tunnel (Bedford County, Virginia)
Built 1913
Tunnel under NSRR on Horseshoe Bend Rd
Open to traffic

NS-Mansion Bridge Road Tunnel (Campbell County, Virginia)
Built 1913
Tunnel under NSRR on Mansion Bridge Rd
Open to traffic

NS-Martin Street Tunnel (Lynchburg, Virginia)
Tunnel under Martin St/ Hillside on NSRR
Open to traffic

NWP - Island Mountain Tunnel (Trinity County, California)
Tunnel on Northwestern Pacific Railroad
Closed

NYC - New Hamburg Tunnel (Dutchess County, New York)
Built 1848-9, bypassed 1930
Abandoned tunnel on New York Central & Hudson River Railroad
Abandoned

NYC - Stone Tunnel (Herkimer County, New York)
Stone tunnel on Railroad (NYC)
Abandoned

NYCTA - 53rd Street Tunnel (New York County, New York)
Built 1932
Tunnel under East River on IND Queens Boulevard Line
Open to traffic

NYCTA - Cranberry Street Tunnel (New York County, New York)
Built 1932
Tunnel under East River on IND Eighth Avenue Line
Open to traffic

NYCTA - Greenpoint Tube (Queens County, New York)
Built 1932
Tunnel under Newtown Creek on New York City Metropolitan Transit Authority
Open to traffic

NYLE - Dayton Tunnel (Cattaraugus County, New York)
Built 1865 by Buffalo & Southwestern Railroad
Tunnel on Erie Railroad
Open to traffic

NYSW - 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

Oakman Tunnel (Gordon County, Georgia)
Built ca. 1935, looks nearly identical to the Pine Log Road Tunnel in Bartow County
Tunnel over private driveway just south of Oakman Baptist Church
Open to traffic

Old N&W Railroad Bed Road Tunnel (Mingo County, West Virginia)
Built for railway, coal mined out, rail closed and was converted to roadway
Tunnel on CR 3/05 (former N&W Railroad)
Open to traffic

Old PRR - Bow Ridge Tunnel (Indiana County, Pennsylvania)
Built 1864
Abandoned tunnel on former Western Pennsylvania Railroad
Abandoned

Old Tunnel (Kendall County, Texas)
Built 1913 for the Fredericksburg and Northern Railway; abandoned 1942; made into state park in 1991
Tunnel under Alamo Ridge in Old Tunnel State Park
Closed to all public access to protect a large population of bats

Old US27 Burnside Tunnel (Pulaski County, Kentucky)
Built 1927-1928; abandoned 1950
Tunnel on U.S. 27
Closed to all traffic

Omaha Trail - Hustler Tunnel (Juneau County, Wisconsin)
Built 1871
Tunnel under Steep Hill on Omaha Trail
Open to pedestrians only

Oneonta Tunnel (Multnomah County, Oregon)
Built 1914, Bypassed and Sealed 1948 , Re-Opened to pedestrians 2009; timber lining destroyed by wildfire Sept. 2017
Tunnel under Oneonta Basalt Out-Cropping on Historical Columbia River Highway
Re-Opened to pedestrians in 2009; damaged by fire Sept. 2017