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

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OW - Fallsburg Tunnel (Sullivan County, New York)
Built 1886, brick arching added 1889-97, abandoned 1957
Abandoned tunnel on New York, Ontario, & Western Railway
Derelict/abandoned

OW - High View Tunnel (Sullivan County, New York)
Built 1871, abandoned 1957
Abandoned tunnel under Shawangunk Range on New York, Ontario, & Western Railway
Derelict/abandoned

P&S Extension Tunnel (Allegheny County, Pennsylvania)
Built 1865;
Tunnel on Railroad


Pali Hwy Tunnel 1 (Honolulu County, Hawaii)
Built 1959
Tunnel under Pali on Pali Hwy
Open to traffic

PAT - Mount Washington Tunnel (Allegheny County, Pennsylvania)
Built 1902-4
Tunnel on Port Authority of Allegheny County Busway/Light Rail
Open to PAT traffic only.

PATH - Downtown Hudson Tubes (New York County, New York)
Opened 1909
Tunnel under Hudson River on Port Authority Trans-Hudson (PATH)
Open to traffic

PATH - Uptown Hudson Tubes (New York County, New York)
Opened 1908
Tunnel under Hudson River on Port Authority Trans-Hudson (PATH)
Open to traffic

Patton Tunnel (Crawford County, Indiana)
Tunnel under Under a hill and and Tunnel Hill Road on NS (Former Southern) Railway
Open to traffic

PE - Belmont Tunnel (Los Angeles County, California)
Built 1925
Abandoned tunnel on Railroad (PE)
Abandoned

Pembroke Tunnel (Giles County, Virginia)
Bridge on NS Railroad


Peppers Tunnel (Pulaski County, Virginia)
Built 1900
Tunnel on NS Railroad
Open to traffic

Petty Br. Road Tunnel (Giles County, Tennessee)
Built 1910
Tunnel under Csx Rr on Petty Br. Road


Phantom Canyon Tunnel No. 1 (Fremont County, Colorado)
Built 1894 by the Florence and Cripple Creek Railroad
Tunnel on CR 67 (Phantom Canyon Road) north of Florence
Open to one-lane traffic

Phantom Canyon Tunnel No. 2 (Fremont County, Colorado)
Built 1894 by the Florence and Cripple Creek Railroad
Tunnel on CR 67 (Phantom Canyon Road) north of Florence
Open to one-lane traffic

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

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

Pioneer Cabin Tree Tunnel (Calaveras County, California)
Germinated appx 1,000 years ago; Hollowed out in the 1880s; Toppled January 8, 2017
Lost Tunnel under Branches on North Grove Trail
Destroyed by severe weather

Portage Creek Tunnel (Anchorage, Alaska)
Built 1910
Tunnel under Portage Creek Tunnel on Whittier Access Road
Open to traffic

Portland & Southwestern Railroad Tunnel (Columbia County, Oregon)
Built 1910
Abandoned tunnel on Portland and Southwest Railroad
Derelict/abandoned; tracks removed around 1943

Posey Tube (Alameda County, California)
Built 1927, seismic retrofit 2000
Immersed Tube tunnel under Oakland Inner Harbor on State Route 260


POVA - Blueslide Tunnel (Pend Oreille County, Washington)
Built 1909
Tunnel on Pend Oreille Valley Railroad
Open to traffic

Prater-Morefield Tunnel (Montezuma County, Colorado)
Tunnel on the Main Entrance Road at Mesa Verde National Park
Open to traffic

Presidio Parkway (Battery) Tunnel (San Francisco County, California)
No NBI information yet. this tunnel open sister tunnel still being finished (8/2014)
Tunnel through hillside on CA 101SB
Open to traffic

Presidio Parkway Tunnel (San Francisco County, California)
Underconstruction
Tunnel through hillside on CA 101/ Presido Pkwy
Under construction

Presidio Tunnel (San Francisco County, California)
Built 1938
Tunnel under Washington Bl & Park Bl on Presidio Tunnel
Open to traffic

PRR Bow Ridge Tunnel (Indiana County, Pennsylvania)
Built 1907
Abandoned tunnel on former Pennsylvania Railroad
Abandoned

Ptarmigan Tunnel (Glacier County, Montana)
Built 1930
Tunnel under Ptarmigan Wall on Hiking Trail
Open to pedestrians only

PW - East Side Railroad Tunnel (Providence County, Rhode Island)
Built 1909
Abandoned tunnel under College Hill on P&W East Providence Branch (abandoned)
Derelict/abandoned

Queen Creek Tunnel (Pinal County, Arizona)
Built 1952
Tunnel on US 60 in Queen Creek Canyon
Open to traffic

Ralph A. Petersen Tunnel (Lane County, Oregon)
Built 1958
Tunnel on OR 126
Open to traffic

Randolph Collier Tunnel (Del Norte County, California)
Built 1963
Tunnel under Oregon Mountain on US 199
Open to traffic

Raton Tunnel (Colfax County, New Mexico)
Built 1879; second tunnel built 1908; original bore closed 1953
Tunnel under Raton Pass on BNSF Railway/Amtrak
Open to traffic

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

Rays Hill Tunnel (Bedford County, Pennsylvania)
Begun ca. 1885 by South Penn. RR; completed 1940 by Penn. Tpk. Comm.; bypassed and abandoned in 1968.
Tunnel on abandoned alignment of Pennsylvania Turnpike
Unofficially open to hikers and bicyclists

Redbank Valley Trail - Brookville Tunnel (Jefferson County, Pennsylvania)
Tunnel on Redbank Valley Trail
Closed, may be rehabbed for trail use

Redbank Valley Trail - Climax Tunnel (Clarion County, Pennsylvania)
Tunnel on Redbank Valley Trail
Open to pedestrians only

RI - Argyle Tunnel (Osage County, Missouri)
Built 1903
Tunnel on the Rock Island Railroad under a hill and CR 541 between Meta and Koeltztown
Railroad line inactive since 1979

RI - Eugene Tunnel (Cole County, Missouri)
Built 1903
Tunnel under a hill and MO 17 on the Rock Island Railroad at Eugene
Railroad line currently inactive

RI - Freeburg Tunnel (Osage County, Missouri)
Tunnel on the Rock Island Railroad under Freeburg and US 63
Railroad line currently inactive

RI - Split Rock Tunnel (LaSalle County, Illinois)
Built 1853; Abandoned 1954
Abandoned tunnel on Railroad (RI)
Abandoned

Rim Rock Drive Tunnel #1 West Lower (Mesa County, Colorado)
Built 1933
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #2 West Upper (Mesa County, Colorado)
Built ny the CCC in the 1930's
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #3 East (Mesa County, Colorado)
Built ny the CCC in the 1930's
Tunnel under Historic Rim Rock Drive on Land
Open

Rimrock Tunnel (Yakima County, Washington)
Built 1936
Tunnel on US 12
Open to traffic

Rivermont Tunnel (Lynchburg, Virginia)
Tunnel under Columbia Ave/hillside on NSRR
Open to traffic

RJCC - Eastwood Tunnel (Jefferson County, Kentucky)
Tunnel under Town of Eastwood on L&N Railroad
Open to traffic

RJCC - Frankfort Tunnel (Franklin County, Kentucky)
Built 1849 by the Lexington and Frankfort Railroad. Currently owned by R. J. Corman (RJC) Railroad
Tunnel under Main Street (US 60)
Open to traffic

Rock Arch Tunnel #1 (Garfield County, Utah)
Built 1941
Rock Arch Tunnel over SR-12
Open to traffic

Rock Arch Tunnel #2 (Garfield County, Utah)
Built 1941
Tunnel under Sr-12 on Rock Arch Tunnel
Open to traffic

Rocky Butte Tunnel (Multnomah County, Oregon)
Built 1939
Tunnel under Rocky Butte on Rocky Butte Road in Portland
Open to traffic

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

Route Of The Hiawatha Trail - Clear Creek Tunnel #1 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Dominion Creek Tunnel (Mineral County, Montana)
Tunnel on Route of the Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Taft Tunnel (Mineral County, Montana)
Built 1909, Converted to pedestrian use 2001
Tunnel through St. Paul Pass on Route Of The Hiawatha Trail
Open to pedestrians only

Ruston Tunnel (Pierce County, Washington)
Built 1912, Demolished 2011
Tunnel under Asarco Smelter on N. 51st Street in Ruston
Removed mid July 2011

Saddle Tunnel (Oconee County, South Carolina)
Built 1853
Historic Railroad Tunnel
Inundated

Salt Creek Tunnel (Lane County, Oregon)
Built 1939
Tunnel on OR 58
Open to traffic

Sandy Creek Trail - Sandy Creek Tunnel (Venango County, Pennsylvania)
Built originally as part of the Franklin & Clearfield Railroad
Tunnel on Sandy Creek Trail
Open to pedestrians only

SCL - CR 76 Tunnel (Calhoun County, Alabama)
Built 1928
Tunnel on CR 76 under SCL Railroad
Open to traffic

Scotts Bluff National Monument Tunnels (Scotts Bluff County, Nebraska)
Opened September 19, 1937
Tunnels under Scotts Bluff on Summit Road
Open to traffic

Seaboard Air Line Tunnel (Richland County, South Carolina)
Once a railroad tunnel, now open as a pedestrian trail
Tunnel under Hampton Street and Washington Street on the former Seaboard Air Line in Columbia
Open to pedestrians only

Selby Avenue Streetcar Tunnel (Ramsey County, Minnesota)
Built 1906-7
Sealed Tunnel under Twin City Rapid Transit Co. on Selby Avenue
Intact but closed to all traffic

SEPTA - Perkasie Tunnel (Bucks County, Pennsylvania)
Built 1853-1857
Tunnel under goes under Ridge Road (PA Route 563)-Landis Ridge on Former Reading RR now East Penn RR
Open to traffic

Sequalichew Creek Trail - DuPont Dynamite Tunnel (Pierce County, Washington)
Built 1900s
Tunnel on Sequalichew Creek Trail, Former DuPont Company Railway under BNSF Railroad
Open to pedestrians only

SF Muni - Twin Peaks Tunnel (San Francisco County, California)
Built 1918
Tunnel on San Francisco Municipal Railway
Open to traffic

Sherrill Cove Tunnel (Swain County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Sideling Hill Tunnel (Fulton County, Pennsylvania)
Begun c. 1885 by South Penn. RR; completed 1940 by Penna. Tpk. Comm; bypassed and abandoned 1968
Tunnel on Abandoned alignment of Pennsylvania Turnpike
Unofficially open to hikers and bicyclists

Slate Hill Tunnel (Montgomery County, Virginia)
Built July 1912
Tunnel on Railroad
Open to traffic

SMART - Cal Park Hill Tunnel (Marin County, California)
Built 1884, closed 1978 , opened to pedestrains 2010.
Tunnel on Pedestrian Pathway/SMART
Open to pedestrians, commuter rail traffic planned

SN - Redwood Peak Tunnel (Alameda County, California)
Built 1911, closed & sealed 1957; Caved-in 1982
Abandoned tunnel trhough Shepherd/Redwood Canyon on Sacramento Northern Railway
Abandoned

Solano Avenue Tunnel (Alameda County, California)
Built 1930
Tunnel under under Marin Avenue on Solano Avenue
Open to traffic

Soledad Canyon Tunnel (Los Angeles County, California)
Built 1935
Tunnel on Soledad Canyon Road
Open to traffic

SOU - New Tunnel 24 (Morgan County, Tennessee)
Built in 1962 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.
Tunnel under Tunnels through Nemo Mountain on Railroad
Open to traffic, railroad tunnel, approximately 40 - 50 trains in a 24 hour period.

SOUTH MATILIJA TUNNEL (Ventura County, California)
Built 1931
South Matilija Tunnel on State Route 33
Open to traffic

Southern - Fairdale Tunnel (Harrison County, Indiana)
Bypassed, abandoned and filled in by railroad
Abandoned tunnel under a hill and Tunnel Hill Road on formerly the Southern Railway in Fairdale
Abandoned

Southern RR Bridge (Stephens County, Georgia)
Built 1941
Tunnel on FAS 1268 under Southern Railroad
Open to traffic

SP - Shasta Line Tunnel #6 (Shasta County, California)
Built ca. 1884; Inundated 1948
Tunnel on Southern Pacific Railroad
Inundated

SP - Summit Tunnel (Placer County, California)
Built by the Central Pacific Railway as part of the original transcontinental railway to finally cross the Sierra's at Donner Pass
Abandoned tunnel on former Central Pacific (later SP) Railroad
Abandoned

ST - 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

ST - Terryville Tunnel (Litchfield County, Connecticut)
Built 1906-10, single-tracked 1940
Tunnel on Pan Am Railways Waterbury Branch
Open to traffic

St Francis Ave Tunnel (Milwaukee County, Wisconsin)
Opened in 1998
Tunnel under St. Francis Ave and the Union Pacific Railroad on Wis 794
Open

St. Clair Tunnel (St. Clair County, Michigan)
Built 1888-1891; Electrified 1907-1908; Electrification removed 1958: Tube sealed 1994
Tunnel under St. Clair River on Canadian National Railroad in Port Huron
Closed to all traffic

St. Louis Freight Tunnel (St. Louis, Missouri)
Built in 1875 along with the completion of Eads Bridge as a route to Union Station. Later used as a freight route as passenger trains bypassed the tunnel for Merchants and MacArthur Bridges.
Tunnel under downtown on the MetroLink in St. Louis
Open to two tracks of MetroLink light rail service with bypass to original freight alignment

Staple Bend Tunnel (Cambria County, Pennsylvania)
Built 1831-33
Tunnel on Rail Trail
Open to pedestrians only

State Route 75 Tunnel (Lawrence County, Ohio)
Built 1866
Tunnel on SR 75
Open to pedestrians only

Stockton Street Tunnel (San Francisco County, California)
Built 1912
Tunnel under Bush, Pine & California Streets on Stockton Street
Open to traffic

Stringers Ridge Tunnel (Hamilton County, Tennessee)
Built 1909
Tunnel under Stringers Ridge on State Highway 8
Open to traffic

Stumphouse Tunnel (Oconee County, South Carolina)
contruction began in 1856, abandoned 1859
Never finished pre-Civil War railroad tunnel
Open to pedestrians, bring a flash light!

TAG Tunnel (Walker County, Georgia)
Built 1891, abandoned sometime in the early 1980's
Abandoned tunnel under Pigeon Mountain on Southern Railway (Formerly Chattanooga Southern and the Tennessee, Alabama & Georgia Railway)
Abandoned

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

The Clinchfield Loops - A: Ridge Tunnel (Mitchell County, North Carolina)
Built as part of the S & W's Altapass to Marion segment; rehabilitated 1958. The following tunnels are labeled beginning with "A" as the line descends the Blue Ridge.
Tunnel under Blue Ridge, Eastern Continental Divide on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - D: 1st Washburn Tunnel (McDowell County, North Carolina)
1st Washburn Tunnel is the 41st tunnel on the historic Clinchfield Railroad, and 4th on the descent of the railroad down the Blue Ridge to Ashford, NC
Tunnel under Washburn Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - E: 2nd Washburn Tunnel (McDowell County, North Carolina)
Built as part of the S & W's Altapass to Marion segment; north end rehabilitated 1925, south end rehabilitated 1913
Tunnel under Washburn Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - F: Quinn Knob Tunnel (McDowell County, North Carolina)
Quinn Knob Tunnel is the 6th tunnel on the Clinchfield Railroad's historic 'Loops' line descending the Blue Ridge, and is the 43rd tunnel on the line built from Elkhorn City, KY to Spartanburg, SC
Tunnel under Quinn;s Knob Ridge, an offshoot of Washburn Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - G: 3rd Washburn Tunnel (McDowell County, North Carolina)
The third in a series of tunnels that surround Washburn Ridge, in the Clinchfield Railroad's historic descent from the Blue Ridge to the Atlantic coast , tunnel rehabilitated 1913
Tunnel under Washburn Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - I: Lower Bridle Path Tunnel (McDowell County, North Carolina)
Built as part of the S & W Railway's historic Altapass to Marion segment
Tunnel under Bridle Path Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - J: Speedy Tunnel (McDowell County, North Carolina)
Built as part of the S & W's Altapass to Marion segment; rehabilitated 1914
Tunnel under Short Extension of the Blue Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - K: Lower Pine Ridge Tunnel (McDowell County, North Carolina)
Built as part of the S & W's Altapass to Marion segment; rehabilitated 1914
Tunnel under Pine Ridge on Clinchfield Railroad (now CSX)
Open to traffic

The Clinchfield Loops - L: Bird Ridge Tunnel (McDowell County, North Carolina)
Built as part of the S & W's Altapass to Marion segment; rehabilitated 1914
Tunnel under Bird Ridge on Clinchfield Railroad (now CSX)
Open to traffic

Tooth Rock Tunnel (Multnomah County, Oregon)
Built 1936 due to the need to relocate the highway for the construction of Bonneville Dam
Tunnel under Tooth Rock on I-84
Open to traffic