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

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TRRA - Arch Grounds Tunnel #1 (St. Louis, Missouri)
Built 1963
Tunnel under a hill on the Jefferson Nat'l Expansion Memorial Park on TRRA Railroad
Open to railroad traffic

TRRA - Arch Grounds Tunnel #2 (St. Louis, Missouri)
Built 1963
Tunnel under the Gateway Arch on the TRRA Railroad
Open to railroad traffic

TRRA - Arch Grounds Tunnel #3 (St. Louis, Missouri)
Built 1963
Tunnel under a hill on the Jefferson Nat'l Expansion Memorial Park on TRRA Railroad
Open to railroad traffic

Tunnel Drive Tunnel No. 1 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Drive Tunnel No. 2 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Drive Tunnel No. 3 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Hill State Trail - Tunnel Hill Tunnel (Johnson County, Illinois)
Tunnel on the Tunnel Hill State Trail (originally Cairo and Vincennes Railroad) under Tunnel Hill
Open to pedestrians and bicyclists only

Tunnel Log (San Joaquin County, California)
Germinated ?; Tree fell over the road in 1937; Tunnel cut in 1938.
Tunnel/Tree over Road
Open to traffic

Tunnel No. 1 (Jefferson County, Colorado)
Built 1951
Tunnel on US 6 west of Golden
Open to two-lane traffic

Tunnel No. 1 (Skamania County, Washington)
Built 1937
Tunnel on WA 14
Open to traffic

Tunnel No. 2 (Jefferson County, Colorado)
Built 1941
Tunnel on US 6 west of Golden
Open to two-lane traffic

Tunnel No. 2 (Skamania County, Washington)
Built 1937
Tunnel on WA 14
Open to traffic

Tunnel No. 3 (Jefferson County, Colorado)
Built 1957
Tunnel on US 6 west of Golden
Open to two-lane traffic

Tunnel No. 3 (Skamania County, Washington)
Built 1937
Tunnel on WA 14
Open to traffic

Tunnel No. 4 (Gilpin County, Colorado)
Built 1939
Abandoned tunnel on CO 119 near the junction with US 6
Still intact, but boarded up after the roads were realigned to make this tunnel unnecessary

Tunnel No. 4 (Skamania County, Washington)
Built 1937
Tunnel on WA 14
Open to traffic

Tunnel No. 5 (Skamania County, Washington)
Built 1937
Tunnel on WA 14
Open to traffic

Tunnel No. 6 (Klickitat County, Washington)
Built 1933
Tunnel on WA 14
Open to traffic

Tunnel No. 6 (Washington County, Pennsylvania)
Tunnel No. 6 is an abandoned tunnel along the Baltimore & Ohio Railroad's Wheeling-Pittsburgh Subdivision west of Washington, Pennsylvania.
Abandoned tunnel on Baltimore & Ohio Railroad
Derelict/abandoned

Tunnel No. 7 (Klickitat County, Washington)
Built 1933
Tunnel on WA 14
Open to traffic

Turn Hole Tunnel (Carbon County, Pennsylvania)
Built 1866
Tunnel under Lehigh Gorge State Park on Lehigh Gorge State Park Pedestrian Path
Open to pedestrians only

Tuscarora Mountain Tunnel (Huntingdon 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

TVRM - Whiteside Tunnel (Hamilton County, Tennessee)
Built 1858
Tunnel under Missionary Ridge on Tennessee Valley Railroad Museum (formerly Southern Railway)
Open to traffic

Twin Tunnels (N) (McDowell County, North Carolina)
Built ca.1930
Tunnel under Blue Ridge Parkway
Open to traffic

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

UNCG Pedestrian Tunnel (Guilford County, North Carolina)
Built 2012-14
Tunnel under Norfolk Southern Railway on Pedestrian Pathway
Open to pedestrians only

Union Canal Tunnel (Lebanon County, Pennsylvania)
Completed 1827; canal closed 1880's; purchased by LCHS in 1950.
Tunnel under Tunnel Hill; Tunnel Hill Road on Union Canal
Stable. Repairs were made to portals in 2000 & 2002

Union Tunnel (Baltimore, Maryland)
First tunnel begun 1866, opened 1873; second bore completed 1934
Tunnel on Amtrak (former Penn Central/PRR)
Open to traffic

UP - Beaver Tail Tunnel (Mesa County, Colorado)
Built ca. 1883
Tunnel on Union Pacific Railroad
Open to traffic

UP - East Belden Tunnel (Eagle County, Colorado)
Built 1890
Tunnel on Union Pacific Railroad
Abandoned

UP - Glenwood Tunnel (Garfield County, Colorado)
Built 1883
Tunnel on Union Pacific Railroad


UP - Moffat Tunnel (Grand County, Colorado)
Built 1923-1928
Tunnel under Continental Divide west of Denver on Union Pacific RR
Open to railroad traffic, including Amtrak's California Zephyr and Ski Train

UP - Natron Cutoff Tunnel 22 (Lane County, Oregon)
Built 1910
Tunnel on Union Pacific Railroad
Open to traffic

UP - Natron Cutoff Tunnel 23 (Lane County, Oregon)
Built 1923; closed late1980's
Abandoned tunnel
Derelict/abandoned

UP - Natron Cutoff Tunnel 5 (Lane County, Oregon)
Built 1927
Tunnel on Union Pacific Railroad
Open to traffic

UP - North Bridge Bay Tunnel (Shasta County, California)
Built 1940
Tunnel under Bridge Bay Hill on Union Pacific Railroad
Open to traffic

UP - North Second Street Overpass (Douglas County, Kansas)
Tunnel for North Second Street and two sidewalks on Union Pacific Railroad in Lawrence


UP - Old State Highway Overpass (Placer County, California)
Built 1910
Concrete arch tunnel under railroad tracks on Old State Highway
Open to traffic

UP - Ruby Tunnel (Mesa County, Colorado)
Built 1883
Tunnel under land in Rainbow Canyon on UPRR (former D&RGW)
Open

UP - Santa Susana Tunnel (Ventura County, California)
Finished in 1904, Rebuilt 1922
Tunnel on Union Pacific Railroad
Open to traffic

UP - Shoshone Tunnel 1 (Garfield County, Colorado)
Built ca. 1883
Tunnel on Union Pacific Railroad
Open to traffic

UP - Shoshone Tunnel 2 (Garfield County, Colorado)
Built 1883
Tunnel on Union Pacific Railroad
Open to traffic

UP - South Bridge Bay Tunnel (Shasta County, California)
Built 1940
Tunnel under Bass Mountian Hills on Union Pacific Railroad
Open to traffic

UP - Spring Garden Tunnel (Plumas County, California)
Tunnel on Railroad (UP)
Open to traffic

UP - Summit Tunnel (Lane County, Oregon)
Built 1925
Tunnel on Union Pacific Railroad under Pengra Pass
Open to traffic

UP - Tennessee Pass Tunnel (Eagle County, Colorado)
Built 1945; unused since 1997
Railroad tunnel under Tennessee Pass north of Leadville on closed Union Pacific RR
Embargoed (unused but technically open)

UP - Thistle Tunnel (North Track) (Utah County, Utah)
Built 1983 to bypass Thistle Slide
Tunnel under Billies Mountain on UP RR
Open to traffic

UP - Thistle Tunnel (South Track) (Utah County, Utah)
Built 1983 to bypass Thistle Slide
Tunnel under Billies Mountain on UP RR
Open to traffic

UP - Tunnel 0 (Placer County, California)
Abandoned tunnel on Union Pacific Railroad
Derelict/abandoned

UP - Tunnel 1 (Placer County, California)
Built 1868
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 10 (Boulder County, Colorado)
Built 1903, wood lining burned 1943
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 17 (Siskiyou County, California)
Built 1909
Tunnel under Under Dorris Hill on Union Pacific Railroad
Open to traffic

UP - Tunnel 18 (Placer County, California)
Built 1909
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 18 (Siskiyou County, California)
Built 1909
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 23 (Placer County, California)
Built 1909
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 24 (Placer County, California)
Build 1910
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 25 (Placer County, California)
Built 1910
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 26 (Placer County, California)
Built 1909
Tunnel under Under Railroad on Union Pacific Railroad
Open to traffic

UP - Tunnel 27 (Placer County, California)
Built 1910
Tunnel on Union Pacific Railraod
Open to traffic

UP - Tunnel 28 (Gilpin County, Colorado)
Built 1903
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 28 (Placer County, California)
Built 1908
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 29 (Placer County, California)
Built 1909
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 29 (Gilpin County, Colorado)
Built 1903
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 3 (Placer County, California)
Built 1868; widened and double tracked 1921 & 1942
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 30 (Gilpin County, Colorado)
Built 1903
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 34 (Placer County, California)
Built 1913
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 35 (Grand County, Colorado)
Built 1906-7
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 35 (Nevada County, California)
Built 1924
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 36 (Nevada County, California)
Built 1924
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 37 (Nevada County, California)
Built 1925
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 38 (Placer County, California)
Built 1924 by Central Pacific (later SP) Railroad
Tunnel on UP (former SP) Railroad
Open to traffic

UP - Tunnel 39 (Placer County, California)
Built 1924
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 39 (Grand County, Colorado)
Built 1906-7
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 4 (Placer County, California)
Built 1868; widened and double tracked 1921; widened 1942
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 41 (Placer County, California)
Built 1925
Tunnel under Donner Pass (Mount Judah) on Union Pacific Railroad
Open to traffic

UP - Tunnel No. 10 (Kern County, California)
Built in 1876 by the SP Railroad
Tunnel on UP/BNSF railroads (formerly SP/ATSF)
Open to traffic

UP - Tunnel No. 6 (Baker County, Oregon)
Built 1929
Tunnel
Open to traffic

UP - Tunnel No. 9 (Tehachapi Loop) (Kern County, California)
Built in 1876 by the SP Railroad to circumvent the extreme grade of the Tehachapi Mtns. In 1998 it was added as a Nat'l Historic Civil Enginnering Landmark
Tunnel under .73 mile loop crosses under itself on UP (former SP) Railroad
Open to traffic

UP - Williams Loop Tunnel (Plumas County, California)
Built 1914
Tunnel under Railroad (UP) on Railroad (UP)
Open to traffic

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

US 2 Tunnel (King County, Washington)
Built 1937
Tunnel on US 2
Open to traffic

US 82 Tunnel (Otero County, New Mexico)
Built 1949
Tunnel on US 82 under a rock formation
Open to traffic

UTAH - Tunnel No. 1 (Carbon County, Utah)
Built 1913
Tunnel on Utah Railway
Open to traffic

Vale Tunnel (Jackson County, Missouri)
Built 1903-4; abandoned 1980 with the bankruptcy of the Rock Island Railroad
Tunnel on the Rock Island Railroad under a hill and Bannister Road between Raytown and Lees Summit in Kansas City
Railroad line inactive

Valles Mines Tunnel (St. Francois County, Missouri)
Built in 1886 by the St. Joe Lead Compnay as a small gauge railroad. Later standardized when the Missouri and Illinois Railroad took over in 1914.
Tunnel on Mississippi River and Bonne Terre Railway (later Missouri & Illinois then Mo Pac)
Abandoned

Vance Tunnel (Mitchell County, North Carolina)
Vance Tunnel is the 37th tunnel on the historic Clinchfield Railroad, linking the Ohio River Valley to the Atlantic coast flatlands
Tunnel under Vance Ridge on Clinchfield Railroad (now CSX)


Vermont Canyon Road Tunnel (Los Angeles County, California)
Tunnel under Griffith Park hillside on Vermont Canyon Rd
Open to traffic

Vista Ridge Tunnel (Multnomah County, Oregon)
Built 1969
Pair of tunnels under Vista Ridge on US 26 in Portland
Open to traffic

VT - Tunnel #4 (Storey County, Nevada)
Tunnel on Virginia & Truckee Railroad
Open to traffic

Wabash Tunnel (Allegheny County, Pennsylvania)
Built 1903
Tunnel on former Wabash-Pittsburgh Terminal, later Pittsburgh & West Virginia,later N&W Railroad
Open to traffic

Waldo Tunnel (Marin County, California)
Built 1937, Second bore added, 1954
Tunnel on US HIGHWAY 101
Open to traffic

Walpole Tunnel (Norfolk County, Massachusetts)
Built 1848 by original Norfolk County Railroad
Stone arch tunnel carrying MBTA Franklin Branch on under Main Street (MA 1A) in Walpole. Administered as a bridge by the State.
Open to railway traffic below, and to vehicle and pedestrian traffic above

Washburn Tunnel (Harris County, Texas)
Built 1950
Tunnel under Houston Ship Channel on Federal Road
Open to traffic

Water Street Tunnel (Ketchikan Gateway Borough, Alaska)
Built 1954
Tunnel on South Tongass Highway in Ketchikan
Open to traffic

Wawona Tree (Mariposa County, California)
Germinated approximately 2,300 years before it fell, Tunneled through in 1881; Fell in 1969 due to a heavy load of snow on its crown
Tunnel
Destroyed by severe weather

Wawona Tunnel (Mariposa County, California)
Tunnel under mountain just east of Badger Pass on Wawona Road (SR 41)
Open to traffic

WB&T - Mt. Wood Tunnel (South) (Ohio County, West Virginia)
Built 1888
Abandoned tunnel on the future Wheeling Heritage Trail in Wheeling
Abandoned and collapsed near the middle. The rest of the tunnel appears to be in good condition.

Webster Street Tube (Alameda County, California)
Built 1963
Tunnel under Oakland Inner Harbor on State Route 260, Webster Street
Open to traffic

West Conway Tunnel (Faulkner County, Arkansas)
Tunnel under Under a hill and US Hwy 64/Old Morrilton Hwy on UP Railroad
Open to traffic

West Rock Ridge Tunnel (New Haven County, Connecticut)
Built 1949
Tunnel over CT 15 on West Rock Ridge in Woodbridge
Open to traffic