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

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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

Ezra's Tunnel (Tompkins County, New York)
Built 1828-32 by Ezra Cornell for the Olympic Falls Flouring Mill.
Abandoned tunnel on Waterway
Derelict/abandoned

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

Ferrin Knob Tunnel No. 1 (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Ferrin Knob Tunnel No. 2 (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Ferrin Knob Tunnel No. 3 (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

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.

Fishhook Creek Tunnel (Shoshone County, Idaho)
Unlined hard rock road tunnel
Open to traffic

Fork Mountain Tunnel (Buncombe County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

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

Fort George Tunnel (New York County, New York)
Built 1903
Tunnel on New York City Transit Authority
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 Mason Tunnel (San Francisco County, California)
1913 Tunnel on San Francisco Bay Railroad


Fort Pitt Tunnel (Allegheny County, Pennsylvania)
Built 1960
Tunnel on I-376/US-22/US-30 Penn Lincoln Parkway West
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

Frying Pan Tunnel (Transylvania County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

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

Grassy Knob Tunnel (Buncombe County, North Carolina)
ca 1930 Tunnel under Grassy Knob on Blue Ridge Parkway
Open to 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 School Tunnel (Jackson County, Missouri)
School was built in 1906 but the tunnel may be newer
Abandoned pedestrian tunnel under 27th and Cleveland Avenue
Derelict/abandoned

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 Beltway/US60/I-64
Open to 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 former Happy Hollow Rd
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

Harvey Tunnel (Jefferson Parish, Louisiana)
Built 1957
Tunnel underneath Harvey Canal on Old Business US 90 in New Orleans
Open to four lanes of traffic with pedestrian access

Hatfield North Tunnel (Pike County, Kentucky)
Tunnel under Hatfield Ridge on Norfolk-Southern Railroad
Open to traffic

Hatfield South Tunnel (Pike County, Kentucky)
Rehabilitied for heavier trains, 1914
Skewed tunnel on Norfolk Southern Railroad, Pocahontas Subdivision
Open

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

Honoapiilani Highway Tunnel (Maui County, Hawaii)
Tunnel on Honoapiilani Highway
Open to 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 Intracoastl Waterway on LA 3040
Open to traffic

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 70 Idaho Springs Tunnel (Clear Creek County, Colorado)
Built 1961
Tunnel under Mountain on I 70
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

INPR - Black Canyon Reservoir Tunnel (Gem County, Idaho)
Built 1923;
Tunnel on Idaho Northern and Pacific Railroad under Hill
Open to traffic

INPR - Tunnel 3 (Gem County, Idaho)
Built 1923;
Tunnel under Hill on Idaho Northern & Pacific Railroad
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 - 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 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)


J&F - Oil City Tunnel (Venango County, Pennsylvania)
Built 1870
Abandoned tunnel
Derelict/abandoned

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

Johnson Tunnel (Summit County, Colorado)
Constructed started Aug. 18, 1975; tunnel completed on Dec. 21, 1979
Tunnel on I-70 Eastbound at Loveland Pass
Open to traffic

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

KCS - Jenson Tunnel (Le Flore County, Oklahoma)
Built 1886
Tunnel under Backbone Mountain on KCS Railway
Open to traffic

Keystone Canyon Tunnel (Valdez-Cordova Census Area, Alaska)
Construction was started in the early 1900s for the Yukon-Valdez Railroad; halted after the railroad project was abandoned
Abandoned tunnel on Valdez-Yukon Railroad
Never completed

Kittatinny Mountain Tunnel (Franklin County, Pennsylvania)
Begun c.1885 by S. Penn. RR; first tube completed 1940 by Penna. Tpk. Comm; second tube completed 1968.
Tunnel on Pennsylvania Turnpike/I-76
Open to traffic

Koolau Range Bridge (Honolulu County, Hawaii)
Built 1994
Tunnel under Koolau Range on Fai-H3, Tunnel
Open to traffic

Labadie Railroad Tunnel (Franklin County, Missouri)
Built 1929
Short railroad tunnel under Route T on the Union Pacific Railroad just southwest of Labadie
Open to two tracks of railroad traffic

LACM - San Fernando Tunnel (Los Angeles County, California)
Work started March 22, 1875, opened August 12, 1876.
Tunnel under Freemont Pass/San Fernando Pass on Union Pacific Railroad/Metrolink
Open to traffic

Lake Keechelus Snowshed Tunnel (Kittitas County, Washington)
Built 1950; demolished April 2014
Lost tunnel under Lake Keechelus Snowshed on I-90
Removed but not replaced

Lakeview Drive Tunnel (Swain County, North Carolina)
Built during 1963-1970 as part of the planned "North Shore Road", never used due to Anakeesta rock being unearthed, dooming the project.
Tunnel on Lakewood Drive
Open to pedestrians only

Laurel Hill Tunnel (Westmoreland County, Pennsylvania)
Begun c.1885 by S. Pennsylvania RR; completed 1940 by Penna. Tpk. Comm.; bypassed and abandoned in 1964
Tunnel on Abandoned alignment of Pennsylvania Turnpike
Currently used to test racecar aerodynamics by Chip Ganassi Racing. Closed to the public.

Layton Tunnel (Fayette County, Pennsylvania)
This section of layton Road was originaly a Rail Way
Tunnel on Layton Road
Open to traffic

Lebanon Valley Rail Trail - Cornwall Tunnel (Lebanon County, Pennsylvania)
Built in 1860 CA for Cornwall-Lebanon Railroad; Rehabbed in 2010
Bridge over Burd Coleman Road on Former C&L; Currently Lebanon Valley Rail Trail
Open to traffic

Liberty Tunnel (Allegheny County, Pennsylvania)
Built 1924
Tunnel on West Liberty Avenue
Open to traffic

Lickstone Ridge Tunnel (Jackson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Lincoln Tunnel (Hudson County, New Jersey)
Center tube opened 1937, north tube opened 1945, south tube opened 1957.
Tunnel under Hudson River on NJ-495/NY-495/former I-495
Open to traffic

Lindbergh Tunnel (St. Louis County, Missouri)
Built in 2006
Tunnel on North Lindbergh Boulevard (U. S. Highway 67) under the west runway at Lambert - St. Louis International Airport
Open to traffic

LIRR - Atlantic Avenue Tunnel (Queens County, New York)
Built 1844, closed 1861
Tunnel on abandoned Long Island Railroad
Intact but closed to all traffic

Little Pisgah Ridge Tunnel (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Little Switzerland Tunnel (Mitchell County, North Carolina)
Built ca. 1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

LittleTunnel (Claiborne County, Tennessee)
Built in 1888 as railroad tunnel, connecting Cumberland Gap Tunnel to L & N Railroad line going into Virginia, converted to a walking tunnel
Former Louisville & Nashville railroad tunnel under Poor Valley Ridge at Cumberland Gap
Open to pedestrians

Lynchburg Tunnel (Lynchburg, Virginia)
Built ca1850-rough cut tunnel
Tunnel under Hillside on James River Heritage Trail
Open to pedestrians only

M&NA 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

Maalo Road Viaduct (Kauai County, Hawaii)
Tunnel under Maalo Road on unknown road
Open to traffic

Marengo Tunnel (Crawford County, Indiana)
Built 1882
Tunnel under Under a hill and Goodman Ridge Road on NS (Former Southern) Railway
Open to traffic

MAX Blue/Red Lines - Robertson Tunnel (Multnomah County, Oregon)
Built 1998
Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Blue Line & Red Line
Open to traffic

McCallie Tunnels (Hamilton County, Tennessee)
Built ca. 1950, specifically to handle tourist traffic on U.S. 11 & 64
Tunnels under Missionary Ridge on U.S. 11 & 64
Open to traffic

Memorial Tunnel (Kanawha County, West Virginia)
Built in 1954 and closed to vehicular traffic in 1987, it is now utilized by the Center For National Response as an anti-terrorism training facility
Tunnel on Old I-64 Old I-77
Intact but closed to all traffic

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

Middle Tunnel (Oconee County, South Carolina)
Built 1953
Abandoned tunnel
Derelict/abandoned - Majority of tunnel was filled in in the early 1900s