Alfred Zampa Bridge (Contra Costa County, California)
Built 2003Wire suspension bridge over Carquinez Strait and railroad on Highway I-80 westboundOpen to traffic
Ambassador Bridge (Wayne County, Michigan)
Built 1927-1928; New Plaza 2008Wire suspension bridge over Detroit River on US I-96 and Canada 3 in Windsor, Ontario Canada and DetroitOpen to traffic
Anton Anderson Memorial Tunnel (Anchorage, Alaska)
Built 1943, converted to combined railroad and highway tunnel 1998-2000Tunnel under Maynard Mountain on Portage Glacier Highway and Alaska Railroad
Arthur J. Ravenel Jr. Bridge (Charleston County, South Carolina)
Built 2005, replacing the John P Grace and Silas S Pearman bridgesCable-stayed bridge over Cooper River on US 17Open to traffic
Astoria-Megler Bridge (Clatsop County, Oregon)
Built 1966Continuous through truss bridge over Columbia River on US 101 in AstoriaOpen to traffic
Bayonne Bridge (Hudson County, New Jersey)
Built 1931Steel through arch bridge over Kill Van Kull between Bayonne and Staten IslandToll bridge open to traffic
Bear Mountain Bridge (Rockland County, New York)
Built 1924; rehabilitated 1977Suspension bridge over Hudson River on US 6 and US 202 in West PointOpen to traffic
Bellaire Toll Bridge (Marshall County, West Virginia)
Operated as a privately owned toll bridge unitl 1991 when Ohio DOT cut off the west approach to build a new OH 7Cantilevered through truss bridge over Ohio River on 8th Street at BellaireClosed to all traffic
Benjamin Franklin Bridge (Camden County, New Jersey)
Built 1926; rehabilitated 1984Suspension bridge over Delaware River on I-676/US 30 in Philadelphia, Pennsylvania, CamdenOpen to traffic
Benjamin Franklin Bridge (Philadelphia County, Pennsylvania)
Built 1926; rehabilitated 1984Suspension bridge over Delaware River on I-676/US 30 in PhiladelphiaOpen to traffic
Bidwell Bar Bridge (Butte County, California)
Built 1965Suspension bridge over Middle Fork Feather River on CA 162 in Oroville EastOpen to traffic
Big Oak Flat Rd Tunnel #1 (Mariposa County, California)
Built in 1930'sTunnel under mountainside on Big Oak Flat RoadOpen to traffic
Bill Emerson Memorial Bridge (Cape Girardeau County, Missouri)
Opened to traffic Dec. 13, 2003, replacing the old Cape Girardeau BridgeCable-stayed bridge over the Mississippi River connecting MO 34 and IL 146 at Cape GirardeauOpen to four-lane traffic
Bronx Whitestone Bridge (Bronx County, New York)
Opened to traffic April 29, 1939Suspension bridge over East River on I-678 in New YorkOpen to six lanes of traffic
Brooklyn Bridge (Kings County, New York)
Opened to traffic May 24, 1883Suspension bridge over East River between Manhattan and Brooklyn in New YorkOpen to traffic
Carquinez Straits Bridge (1927) (Contra Costa County, California)
Built 1927; replaced 2003; demolished 2006Lost cantilevered through truss bridge over Carquinez Straits on Lincoln Highway, later I-80 Westbound Lanes in VallejoReplaced by new bridge
Chesapeake Bay Bridge (Anne Arundel County, Maryland)
Built 1951; rehabilitated 1988Pair of suspension and cantilever truss bridges over Chesapeake Bay on US 50Open to traffic
Commodore Barry Bridge (Delaware County, Pennsylvania)
Built 1974 by Delaware River Port AuthorityCantilevered through truss bridge over Delaware River on US 322/NJ CR 536 in ChesterOpen to traffic
Commodore Barry Bridge (Gloucester County, New Jersey)
Built 1974Cantilevered through truss bridge over Delaware River on US 322Open to traffic
Crescent City Connection Bridge (Orleans Parish, Louisiana)
Built 1985Cantilevered through truss bridge over the Mississippi River on eastbound Business US 90 in New OrleansOpen to four lanes of eastbound traffic, plus two reversible HOV lanes
Dames Point Bridge (Duval County, Florida)
Built 1989Cable-stayed bridge over St. Johns River on FL 9A in JacksonvilleOpen to traffic
Dent Bridge (Clearwater County, Idaho)
Built 1971Suspension bridge over North Fork Clearwater River on STC 4783Open to traffic
Eggemoggin Reach Bridge (Hancock County, Maine)
Built 1939Suspension bridge over Eggemoggin Reach on ME 15 in Deer IsleOpen to traffic
Eisenhower Tunnel (Summit County, Colorado)
Built 1973Tunnel under I 70 Wbnd Ml on Eisenhower Tun Wbd
Elephant Butte Tunnel (Plumas County, California)
Built 1937Tunnel under Elephant Butte on State Route 70Open to traffic
Fred Hartman Bridge (Harris County, Texas)
Built 1995Pair of cable-stayed bridges over Houston Ship Channel on TX 146 in HoustonOpen to traffic
Fremont Bridge (Multnomah County, Oregon)
Built 1973Steel through arch bridge over Willamette River on I-405 in PortlandOpen to traffic
George Washington Bridge (New York County, New York)
Opened to traffic October 25, 1931; lower level opened August 29, 1962Suspension bridge over Hudson River on I-95 in New YorkOpen to a total of 14 lanes of traffic
Gerald Desmond Bridge (Los Angeles County, California)
Bridge over Port of Los on California Highway 47 - Interestate 710 in Long BeachOpen to traffic
Golden Gate Bridge (San Francisco County, California)
Built 1937Suspension bridge over San Francisco Bay on US 101 at San FranciscoOpen to traffic
Grand Tower Pipeline Bridge (Jackson County, Illinois)
Built 1955Pipeline suspension bridge over the Mississippi River at Grand TowerStill carries natural gas
Greater New Orleans Bridge (Orleans Parish, Louisiana)
Built 1957Through truss bridge over the Mississippi River on westbound Business US 90 in New OrleansOpen to traffic
Greenville Bridge (Chicot County, Arkansas)
Built 2009Cable-stayed bridge over Mississippi River on US 82Opened August 4, 2010
Hart Bridge (Duval County, Florida)
Built 1967Steel through arch bridge over St. Johns River on ALT US 1 (Hart Bridge Expressway) in JacksonvilleOpen to traffic
Hell Gate Bridge (Queens County, New York)
Originally the world's longest steel arch bridge until the Bayonne Bridge was opened in 1932Steel through arch bridge over Hell Gate (East River)Open to traffic
Horace Wilkinson Bridge (East Baton Rouge Parish, Louisiana)
Built 1968Through truss bridge over Mississippi River on I-10 in Baton RougeOpen to traffic
International Railway Bridge (Erie County, New York)
Opened on November 3, 1873, with a construction cost of $1.5 millionThrough truss bridge over Niagara River on Canadian National RailwayOpen to traffic
Johnson Tunnel (Summit County, Colorado)
Built 1979Tunnel under I 70 Ml Ebnd on Johnson Tun Ebnd
Lewis & Clark Bridge (Cowlitz County, Washington)
Built 1929; rehabilitated 2003Cantilevered through truss bridge over Columbia River on WA 433 at LongviewOpen to traffic
Lewiston-Queenston Bridge (Niagara County, New York)
Built 1960Steel arch bridge over the Niagara River at the end of I-190 between Lewiston, New York, and Queenston, OntarioOpen to traffic
Luling Bridge (St. Charles Parish, Louisiana)
Built 1983 at a cost of $135 millionCable-stayed bridge over the Mississippi River on I-310 west of New Orleans, near LulingOpen to traffic
Mackinac Bridge (Emmet County, Michigan)
Built 1957Suspension bridge over the Straits of Mackinac on I-75 at Mackinaw CityOpen to traffic
Manhattan Bridge (New York County, New York)
Opened to traffic December 31, 1909Suspension bridge over East River in New York CityOpen to seven lanes of highway traffic and four subway tracks
Mid Hudson Bridge (Ulster County, New York)
Built 1930; rehabilitated 1989Suspension bridge over Hudson River on US 44 and NY 55 in Highland and PoughkeepsieOpen to traffic
Mike O'Callaghan - Pat Tillman Memorial Bridge (Mohave County, Arizona)
Built as a bypass route for Hoover Dam and for the Dept. of Homeland Security will be completed in 2010Open-spandrel arch bridge over Colorado River on US 93Under construction
Mount Hope Bridge (Bristol County, Rhode Island)
Built 1929; rehabilitated 1985Suspension bridge over Mount Hope Bay on RI 114 in BristolOpen to traffic
Newport Bridge (Newport County, Rhode Island)
Built 1969Suspension bridge over East Passage Narragansett Bay on RI 138 in NewportOpen to toll traffic
No Name Tunnel (Garfield County, Colorado)
Built 1965Pair of tunnels on I-70 at Horseshoe Curve east of Glenwood SpringsOpen to traffic
Ohio River US 62/68 Bridge (Mason County, Kentucky)
Built 1931; Replaced by the cable-stayed William H. Harsha Bridge in 2000, rehabed in 2003-2004Suspension bridge over Ohio River on Business US 62/68 in MaysvilleOpen to traffic
Posey Tube Tunnel (Alameda County, California)
Built 1927, seismic retrofit 2000Tunnel under Oakland Inner Harbor on State Route 260
Queensboro Bridge (Queens County, New York)
Opened to traffic March 30, 1909Cantilevered through truss bridge over East River on NY 25 in New YorkOpen to a total of 10 lanes of traffic
Richmond - San Rafael Bridge (Contra Costa County, California)
Built 1956, Seismic Retrofit Completed 2005Double deck cantilever truss bridge over San Pablo Bay on I-580 in RichmondOpen 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 Covingtoncurrently closed for rehabilitation with the project lasting about 1 year
San Francisco Bay Bridge (Alameda County, California)
Built 1936; rehabilitated 1962Suspension and cantilever truss bridge over San Francisco Bay on I-80 in OaklandOpen to traffic
Sidney Lanier Bridge (Glynn County, Georgia)
Built 2002Cable-stayed bridge over Brunswick River on Sidney Lanier Br in BrunswickOpen to traffic
St. Clair Tunnel (St. Clair County, Michigan)
Built 1888-1891; Electrified 1907-1908; Electrification removed 1958: Tube sealed 1994Tunnel under St. Clair River on Canadian National Railroad in Port HuronClosed to all traffic
St. Johns Bridge (Multnomah County, Oregon)
Built 1931Suspension bridge over Willamette River on US 30 Bypass in PortlandOpen to traffic
Sunshine Skyway Bridge (Pinellas County, Florida)
Opened to traffic April 20, 1987Cable-stayed bridge over Tampa Bay on I-275/US 19 at Saint PetersburgOpen to four lanes of traffic
Tacoma Narrows Bridge (Pierce County, Washington)
Built 1950 as the replacement of the original 1940 bridgeSuspension bridge over Tacoma Narrows on WA 16 in TacomaOpen to traffic
Tacoma Narrows Bridge (Pierce County, Washington)
Built 2007Suspension bridge over Tacoma Narrows on EB SR-16 in TacomaOpen to traffic
Tacoma Narrows Bridge (Pierce County, Washington)
Built 1940, collapsed on November 7, 1940Lost Wire suspension bridge over Tacoma Narrows on Primary State Highway 14-A in TacomaCollapsed
Talmedge Bridge (Chatham County, Georgia)
Built 1991Cable-stayed bridge over GA 25 on Talmedge Bridge in SavannahOpen to traffic
Throgs Neck Bridge (Queens County, New York)
Built 1961Suspension bridge over East River on I-295 in New YorkOpen to traffic
Triborough Suspension Bridge (Queens County, New York)
Opened to traffic July 11, 1936Suspension bridge over East River (Hell Gate) on I-278 in New YorkOpen to eight lanes of traffic and one sidewalk
US 62/68 Bridge (Mason County, Kentucky)
Built 2000Cable-stayed bridge over Ohio River on US 62Open to traffic
Valley City Eagle Bridges (Pike County, Illinois)
Built 1988Concrete deck girder bridge over Illinois River on US 36/I 72 in Valley CityOpen to traffic
Verrazano-Narrows Bridge (Richmond County, New York)
Upper level opened November 21, 1964; lower level opened June 28, 1969Suspension bridge over The Narrows on I-278 between Staten Island and BrooklynOpen to a total of 12 lanes of traffic
Walt Whitman Bridge (Philadelphia County, Pennsylvania)
Built 1957; rehabilitated 1998Suspension bridge over Delaware River on I-76 in PhiladelphiaOpen to traffic
Webster Street Tube (Alameda County, California)
Built 1963Tunnel under Oakland Inner Harbor on State Route 260, Webster StreetOpen to traffic
William H. Natcher Bridge (Daviess County, Kentucky)
Opened October 21, 2002Cable-stayed bridge over the Ohio River on US 231 northeast of OwensboroOpen to four-lane traffic
Williamsburg Bridge (Kings County, New York)
Opened to traffic December 19, 1903Suspension bridge over East River on Delancey Street in New YorkOpen to traffic