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Span length over 1000 feet

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Ambassador Bridge (Wayne County, Michigan)
Built 1927-1928; New Plaza 2008
Wire suspension bridge over Detroit River on US I-96 and Canada 3 in Windsor, Ontario Canada and Detroit
Open to traffic

ARR - Anton Anderson Memorial Tunnel (Anchorage, Alaska)
Built 1943, converted to combined railroad and highway tunnel 1998-2000
Tunnel under Maynard Mountain on Portage Glacier Highway and Alaska Railroad
Open to traffic

Arthur J. Ravenel Jr. Bridge (Charleston County, South Carolina)
Built 2005, replacing the John P Grace and Silas S Pearman bridges
Cable-stayed bridge over Cooper River on US 17
Open to traffic

Astoria-Megler Bridge (Clatsop County, Oregon)
Built 1966
Continuous rigid-cantilever Warren through truss bridge over Columbia River on US 101 in Astoria
Open to traffic

Audubon Bridge (Pointe Coupee Parish, Louisiana)
Built 2011
Cable-stayed bridge over Mississippi River on LA 10
Open to all traffic

AVR - Whitehall Tunnel (Allegheny County, Pennsylvania)
Built 1899
Tunnel on Allegheny Valley Railroad
Open to traffic

Baker-Barry Tunnel (Marin County, California)
Built in 1918, rebuilt 1925, widened in 1937, closed 1989, rebuilt in 1995
Tunnel under Under Marin Headlands on Bunker Road
Open to traffic

Bayonne Bridge (Hudson County, New Jersey)
Built 1931; roadway raised 64 feet 2017-2019
Steel through arch bridge over Kill Van Kull on SR 440 between Bayonne and Staten Island
Toll bridge open to traffic

Bear Mountain Bridge (Rockland County, New York)
Built 1924; rehabilitated 1977
Suspension bridge over Hudson River on US 6 and US 202 in Fort Montgomery
Open to traffic

Benjamin Franklin Bridge (Philadelphia County, Pennsylvania)
Built 1926; rehabilitated 1984
Suspension bridge over Delaware River on I-676/US 30 in Philadelphia
Open to traffic

Bidwell Bar Bridge (1965) (Butte County, California)
Built 1965
Suspension bridge over Middle Fork Feather River on CA 162
Open to traffic

Big Oak Flat Rd Tunnel #1 (Mariposa County, California)
Built in 1930's
Tunnel under mountainside on Big Oak Flat Road
Open to traffic

Big Walker Mountain Tunnel (Bland County, Virginia)
Built 1972
Tunnel under Big Walker Mountain on I-77
Open to traffic

Bill Emerson Memorial Bridge (Cape Girardeau County, Missouri)
Opened to traffic Dec. 13, 2003, replacing the old Cape Girardeau Bridge
Cable-stayed bridge over the Mississippi River connecting MO 34 and IL 146 at Cape Girardeau
Open to four-lane traffic

Bronx Whitestone Bridge (Bronx County, New York)
Opened to traffic April 29, 1939.
Suspension bridge over East River on I-678 in New York
Open to six lanes of traffic

Brooklyn Bridge (Kings County, New York)
Opened to traffic May 24, 1883; elevated railway removed 1944
Suspension bridge over East River between Manhattan and Brooklyn in New York
Open to traffic

Carquinez Bridge (1927) (Contra Costa County, California)
Built 1927; replaced 2003; demolished 2006
Lost cantilevered through truss bridge over Carquinez Strait on Lincoln Highway/I-80 Westbound
Replaced by new bridge

Carquinez Bridge (1958) (Contra Costa County, California)
Built 1958
Cantilever through truss bridge over Carquinez Strait and UP railroad on I-80 Eastbound
Open to traffic

Carquinez Bridge (2003) (Contra Costa County, California)
Built 2003
Wire suspension bridge over Carquinez Strait and UP railroad on I-80 Westbound
Open to traffic

Chesapeake Bay Bridge (Anne Arundel County, Maryland)
Original two-lane spans with through-truss suspension bridge and regular cantilever design built 1949-52 and opened 1952; second three-lane span with deck suspension and arched cantilever opened 1973; rehabilitated 1988
Pair of suspension and cantilever truss bridges over Chesapeake Bay on US 50
Open to traffic

CN - St. Clair Tunnel (1891) (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

Commodore Barry Bridge (Gloucester County, New Jersey)
Built 1974
Cantilevered through truss bridge over Delaware River on US 322
Open to traffic

Crescent City Connection Bridge (Orleans Parish, Louisiana)
Built 1985, Opened to traffic in 1988
Cantilevered through truss bridge over the Mississippi River on eastbound Business US 90 in New Orleans
Open to four lanes of eastbound traffic, plus two reversible HOV lanes

Dames Point Bridge (Duval County, Florida)
Built 1989
Cable-stayed bridge over St. Johns River on FL 9A in Jacksonville
Open to traffic

Deer Isle-Sedgwick Bridge (Hancock County, Maine)
Built 1939
Suspension bridge over Eggemoggin Reach on ME 15 in Deer Isle
Open to traffic

Delaware Memorial Bridge (EB) (1951) (New Castle County, Delaware)
Built 1951; rehabilitated 1970
Suspension bridge over Delaware River on Eastbound I-295/US 40
Open to traffic

Delaware Memorial Bridge (WB) (1968) (New Castle County, Delaware)
Built 1968 as an almost identical twin to the 1951 Delaware Memorial Bridge that carries eastbound traffic
Suspension bridge over Delaware River on Westbound I-295/US 40
Open to traffic

Dent Bridge (Clearwater County, Idaho)
Built 1971
Suspension bridge over North Fork Clearwater River on STC 4783
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

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

Elephant Butte Tunnel (Plumas County, California)
Built 1937
Tunnel through Elephant Butte on CA 70
Open to traffic

Fort Mason Tunnel (San Francisco County, California)
1913 Tunnel on San Francisco Belt Railroad
Intact but closed to all traffic; abandoned 1993

Fort McHenry Tunnel (Baltimore, Maryland)
Built 1980-1985
Tunnel under Patapsco River on I-95 SB/NB
Open to traffic

Four Bears Bridge (Original) (Mercer County, North Dakota)
Built 1934; Garrison Dam built 1943 and flooded Fort Berthold Indian Reservation to create Lake Sakakawea; Main span moved and installed on the new Four Bear Bridge location 1955
Lost Through truss bridge over Missouri River on ND 8
No longer exists

Francis Scott Key Bridge (Baltimore, Maryland)
Built 1976
Steel through arch bridge over Patapsco River/Baltimore Harbor on Maryland Route 695 (Interstate 695)
Open to traffic

Fred Hartman Bridge (Harris County, Texas)
Built 1995
Pair of cable-stayed bridges over Houston Ship Channel on TX 146 in Houston
Open to traffic

Fremont Bridge (Multnomah County, Oregon)
Built 1973
Steel through arch bridge over Willamette River on I-405 in Portland
Open to traffic

Fulton Pipeline Bridge (Hempstead County, Arkansas)
Pipeline suspension bridge over the Red River at Fulton
Pipeline is active

GAP - Big Savage Tunnel (Somerset County, Pennsylvania)
Buil 1911,
Tunnel on Great Allegheny Passage
Open to pedestrians only

George Washington Bridge (New York County, New York)
Opened to traffic October 25, 1931; lower level opened August 29, 1962
Suspension bridge (two level) over Hudson River on I-95 in New York
Open to a total of 14 lanes of traffic

Glen Canyon Bridge (Coconino County, Arizona)
Built 1958
Steel arch bridge over Glen Canyon on US 89
Open to traffic

Golden Gate Bridge (San Francisco County, California)
Built 1937
Suspension bridge over San Francisco Bay on US 101 at San Francisco
Open to traffic

Grand Tower Pipeline Bridge (Jackson County, Illinois)
Built 1955
Pipeline suspension bridge over the Mississippi River at Grand Tower
Pipeline service only. Pedestrians prohibited (although historically allowed)

Greater New Orleans Bridge (Orleans Parish, Louisiana)
Built 1957, opened to traffic April 15, 1958
Through truss bridge over the Mississippi River on westbound Business US 90 in New Orleans
Open to traffic

Greenville Bridge (Chicot County, Arkansas)
Built 2010
Cable-stayed bridge over Mississippi River on US 82
Opened August 4, 2010

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

Hart Bridge (Duval County, Florida)
Built 1967
Steel through arch bridge over St. Johns River on ALT US 1 (Hart Bridge Expressway) in Jacksonville
Open to traffic

HCR - Maulua Tunnel (Hawaii County, Hawaii)
Built 1912; Abandoned 1946
Abandoned tunnel on Hawaii Consolidated Railroad
Abandoned

Hell Gate Bridge (Queens County, New York)
Originally the world's longest steel arch bridge until the Bayonne Bridge was opened in 1932
Steel through arch bridge over Hell Gate (East River)
Open to traffic

Henderson Mine Tunnel (Clear Creek County, Colorado)
Built 1976
Tunnel through Red Mountain on Conveyor Belt (Formerly Henderson Mine Railroad)
Open to private traffic

Horace Wilkinson Bridge (East Baton Rouge Parish, Louisiana)
Built 1968
Cantilevered polygonal Warren through truss bridge over Mississippi River on I-10 in Baton Rouge
Open to traffic

LAX Taxiway C Tunnel (Los Angeles County, California)
Built 1952, Lengthened 2002
Tunnel under Sepulveda Boulevard on Los Angeles International Airport Taxiway C
Open to aircraft above and cars below

Lewis & Clark Bridge (Cowlitz County, Washington)
Built 1929; rehabilitated 2003
Cantilevered through truss bridge over Columbia River on WA 433 at Longview
Open to traffic

Lewiston-Queenston Bridge (Niagara County, New York)
Built 1960
Steel arch bridge over the Niagara River at the end of I-190 between Lewiston, New York, and Queenston, Ontario
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

Luling Bridge (St. Charles Parish, Louisiana)
Built 1983 at a cost of $135 million
Cable-stayed bridge over the Mississippi River on I-310 west of New Orleans, near Luling
Open to traffic

Mackinac Bridge (Emmet County, Michigan)
Opened Nov. 1, 1957
Suspension bridge over the Straits of Mackinac on I-75 at Mackinaw City
Open to traffic

Manhattan Bridge (New York County, New York)
Opened to traffic December 31, 1909
Suspension bridge over East River in New York City
Open to seven lanes of highway traffic and four subway tracks

Margaret Hunt Hill Bridge (Dallas County, Texas)
Built 2012
Cable-stayed bridge over Trinity River on Singleton Blvd / Woodall Rodgers Fwy
Open to traffic

Mid Hudson Bridge (Ulster County, New York)
Built 1930; rehabilitated 1989
Suspension bridge over Hudson River on US 44 and NY 55 in Highland and Poughkeepsie
Open to traffic

Mike O'Callaghan - Pat Tillman Memorial Bridge (Mohave County, Arizona)
Opened on October 19, 2010 as a bypass route for Hoover Dam and for the Dept. of Homeland Security
Open-spandrel arch bridge over Colorado River on US 93
Open to traffic

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

Monitor-Merrimack Memorial Bridge-Tunnel (Portsmouth, Virginia)
Built 1990, opened 1992
2 Bridge-Tunnels under James River on Interstate 664
Open to traffic

Mount Hope Bridge (Bristol County, Rhode Island)
Built 1929 by the McClintic-Marshall Co.; rehabilitated 1985
Suspension bridge over Mount Hope Bay on RI 114 in Bristol
Open to traffic

New Corpus Christi Harbor Bridge (Nueces County, Texas)
Scheduled to open in 2023
Cable-stayed bridge over Corpus Christi Ship Channel on U.S. Route 181
Under construction

New River Gorge Bridge (Fayette County, West Virginia)
Opened on October 22, 1977
Massive steel arch bridge over New River on US 19 east of Fayette
Open to traffic

Newport Bridge (Newport County, Rhode Island)
Built 1969
Suspension bridge over East Passage Narragansett Bay on RI 138 in Newport
Open to toll 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

Old Red River Bridge (Fannin County, Texas)
Collapsed 1934
Lost Suspension bridge over Red River on TX 78/ OK 78
No longer exists

Palouse to Cascades State Park Trail - Horlick Tunnel #2 (Kittitas County, Washington)
Tunnel on Iron Horse Trail
Closed due to safety concerns

Penobscot Narrows Bridge (Waldo County, Maine)
Built 2006
Cable-stayed bridge over Penobscot River on US Hwy 1 & 3
Open to traffic

Plattsmouth Pipeline Bridge (Cass County, Nebraska)
Built 1956
Wire suspension bridge over Missouri River on Pipeline
In operation

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

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

Queensboro Bridge (Queens County, New York)
Opened to traffic March 30, 1909; elevated railway removed 1942, trolleys removed 1955
Cantilevered through truss bridge over East River on NY 25 in New York
Open to a total of 10 lanes of traffic

Richmond-San Rafael Bridge (Contra Costa County, California)
Built 1956, Seismic Retrofit Completed 2005
Double deck cantilever truss bridge over San Pablo Bay on I-580 in Richmond
Open to traffic

Roebling Suspension Bridge (Hamilton County, Ohio)
Built 1866 by John A. Roebling. Rehabilitated 1955.
Suspension bridge over the Ohio River between Cincinnati and Covington
Rehabilitation Completed

Roosevelt Lake Bridge (Gila County, Arizona)
Built 1992
Steel through arch bridge over Roosevelt Lake on AZ188
Open to traffic

San Francisco-Oakland Bay Bridge (San Francisco County, California)
Built 1936; Key System tracks removed 1958; rehabilitated 1962; partial collapse due to earthquake in 1989; west span seismic retrofit 2013; east span replaced 2013.
Suspension bridge over San Francisco Bay on I-80 connecting San Francisco, Yerba Buena Island, and Oakland. New eastern span is a 1400 foot single anchored suspension bridge
Open to traffic

Seaway Skyway (St. Lawrence County, New York)
Built 1960
Suspension bridge over St. Lawrence River at Ogdensburg
Open to traffic

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

Sidney Lanier Bridge (Glynn County, Georgia)
Built 2002
Cable-stayed bridge over Brunswick River on Sidney Lanier Br in Brunswick
Open to traffic

Simon Kenton Memorial Bridge (Mason County, Kentucky)
Built 1931; Bypassed by the cable-stayed William H. Harsha Bridge in 2000, rehabed in 2003-2004
Suspension bridge over Ohio River on Business US 62/68 in Maysville
Open to traffic

Sky Ride (Cook County, Illinois)
Built 1933; Demlished 1934
Lost Transporter bridge over Burnham Harbor
Removed

SkyBridge Michigan (Charlevoix County, Michigan)
Built 2022; opened October 15
Wire suspension bridge on Pedestrian path
Open to pedestrians only

SMART - Puerto Suello Tunnel (Marin County, California)
Built 1879; Roof collapsed during a fire 1961, rebuilt 1967, Closed in the 80s, Rehabilitated 2014-16
Tunnel on Sonoma-Marin Area Rail Transit
Open to traffic

St. Johns Bridge (Multnomah County, Oregon)
Built 1931
Suspension bridge over Willamette River on US 30 Bypass in Portland
Open to traffic

Stan Musial Veterans Memorial Bridge (St. Louis, Missouri)
Construction began April 19th, 2010. Opened to traffic February 9th, 2014.
Cable-stayed bridge over Mississippi River on Interstate 70
Open to traffic

Sunshine Skyway Bridge (Pinellas County, Florida)
Opened to traffic April 20, 1987
Cable-stayed bridge over Tampa Bay on I-275/US 19 at Saint Petersburg
Open to four lanes of traffic

Tacoma Narrows Bridge (1940) (Pierce County, Washington)
Built 1940, collapsed on November 7, 1940
Lost suspension bridge over Tacoma Narrows on Primary State Highway 14-A in Tacoma
Collapsed

Tacoma Narrows Bridge (1950) (Pierce County, Washington)
Built 1950 as the replacement of the original 1940 bridge
Suspension bridge over Tacoma Narrows on WB WA 16 in Tacoma
Open to traffic

Tacoma Narrows Bridge (2007) (Pierce County, Washington)
Built 2007
Suspension bridge over Tacoma Narrows on EB SR-16 in Tacoma
Open to traffic

Talmadge Memorial Bridge (Chatham County, Georgia)
Built 1990
Cable-stayed bridge over Savannah River; replaced Old Talmadge Memorial Bridge
Open to traffic

Tappan Zee Bridge (Rockland County, New York)
Opened to traffic December 15, 1955. Closed to traffic on October 12, 2017
Lost Cantilevered through truss bridge over Hudson River on I-87/I-287/New York State Thruway in South Nyack
Demolished 2018/2019, Bridge was taken apart and may be reused: See: http://www.wellsvilledaily.com/news/20171207/parts-of-tappan-zee-bridge-to-be-repurposed-in-allegany-county

Tappan Zee Bridge (2017) (Rockland County, New York)
Bridge carrying I-87 and I-287 Thruway over Hudson River, replacing the 1955 Tappan Zee Bridge
Open to traffic; pedestrian/bike path opened on north side in June 2020

Ted Williams Tunnel (Suffolk County, Massachusetts)
Built 2003 as part of Big Dig project
Tunnel under Boston Harbor on Massachusetts Turnpike (Interstate 90)
Open to traffic

Throgs Neck Bridge (Queens County, New York)
Built 1961
Suspension bridge over East River on I-295 in New York
Open to traffic

Triborough Hell Gate Suspension Bridge (Queens County, New York)
Opened to traffic July 11, 1936
Suspension bridge over East River (Hell Gate) on I-278 in New York
Open to eight lanes of traffic and one sidewalk

Verrazano-Narrows Bridge (Richmond County, New York)
Upper level opened November 21, 1964; lower level opened June 28, 1969
Suspension bridge over The Narrows on I-278 between Staten Island and Brooklyn
Open to a total of 12 lanes of traffic

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