Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1949
Bascule bridge over Intracoastal Waterway on George Bush Blvd. in Delray Beach
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 2002
Bascule bridge over Intracoastal Waterway on FL 858 Eastbound in Hallandale
Open to traffic

Intracoastal Waterway Bridge (Orleans Parish, Louisiana)
Built 1975
Bascule bridge over the Intracoastal Waterway on a local road in New Orleans
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1964
Bascule bridge over Intracoastal Waterway on CR 774 in Manasota Key
Open to traffic

Intracoastal Waterway Bridge (Pinellas County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on FL 693 (Corey Avenue) in Gulfport
Open to traffic

Intracoastal Waterway Bridge (Duval County, Florida)
Built 1949
Pair of bascule bridges over the Intracoastal Waterway on US 90 (FL 212) in Jacksonville Beach
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1973
Pair of bascule bridge over Intracoastal Waterway on FL 802 (Lake Avenue) in Lake Worth
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1956
Bascule bridge over Intracoastal Waterway on FL A1A in Dania
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1956
Bascule bridge over Intracoastal Waterway on US 1 in North Palm Beach
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1967
Bascule bridge over Intracoastal Waterway on 14 Street Causway in Pompano Beach
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on Venice Avenue (CR 772) in Venice
Open to traffic

Islais Creek Bridge (San Francisco County, California)
Built 1945
Bascule bridge over Islais Creek on Third Street in San Francisco
Open to traffic

Island Lake Outlet Bridge (Charlevoix County, Michigan)
Built 1949; rehabilitated 1992
Bascule bridge over Island Lake Outlet on US 31 in Charlevoix
Open to traffic

Isthmus Slough Bridge (Coos County, Oregon)
Built 1931
Bascule bridge over Isthmus Slough on HWY 241
Open to traffic

Jackson Blvd. Bridge (Cook County, Illinois)
Built 1916
Bascule bridge over South Branch Chicago River on Jackson Blvd. in Chicago
Open to traffic

Jackson Street Bridge (Will County, Illinois)
Built 1932
Bascule bridge over Des Plaines River on Jackson Street in Joliet
Open to traffic

James Street Bridge (New Castle County, Delaware)
Built 1929; rehabilitated 1986
Bascule bridge over Christina River on James St. in Newport
Open to traffic

Jefferson Avenue Bridge (Wayne County, Michigan)
Built 1922; rehabilitated 1982
Bascule bridge over Rouge River on Jefferson Avenue in Detroit
Open to traffic

Jefferson Blvd. Bridge (Yolo County, California)
Built 1961; rehabilitated 2005
Bascule bridge over Sacramento Barge Canal on Jefferson Blvd. in West Sacramento
Open to traffic

Jefferson Street Bridge (Will County, Illinois)
Built 1932-33 by the Mississippi Valley Structural Steel Co.; rehabilitated 1941
Through truss bascule bridge over Des Plaines River on Eastbound US 30 in Joliet
Open to two-lane traffic

Jewfish Creek Canal Bridge (Monroe County, Florida)
Built 1944
Bascule bridge over Jewfish Creek Canal on US 1
Open to traffic

Johns Pass Bocaciega Bay Bridge (Pinellas County, Florida)
Built 1971
Pair of bascule bridges over Johns Pass Bocaciega Bay on FL 699 (Gulf Blvd.) in Madeira Beach
Open to traffic

Juneau Avenue Bridge (Milwaukee County, Wisconsin)
Built 1953
Bascule bridge over Milwaukee River on Juneau Avenue in Milwaukee
Open to traffic

Kennedy Blvd. Bridge (Hillsborough County, Florida)
Built 1913 by the Edwards Construction Co.
Bascule bridge over Hillsborough River on FL 60 (Kennedy Blvd.) in Tampa
Open to traffic

Kent Island Narrow Bridge (Queen Anne's County, Maryland)
Built 1951; rehabilitated 1982
Bascule bridge over Kent Island Narrow on MD 18B in Chester
Open to traffic

Kilbourn Avenue Bridge (Milwaukee County, Wisconsin)
Built 1929; rehabilitated 1972; restored 2008
Bascule bridge over Milwaukee River on Kilbourn Avenue in Milwaukee
Currently closed for renovation

King Iron Bridge Draw Bridge (Rockland County, New York)
Built 1880
Bridge
Closed to all traffic for rehabilitation in 2008

Kinnickinnic River Bridge (Milwaukee County, Wisconsin)
Built 1999 to replace a bascule bridge built in 1908
Bascule bridge over Kinnickinic River on WI 32 in Milwaukee
Open to traffic

Kinzie Street Bridge (Cook County, Illinois)
Built 1909; rehabilitated 1999
Bascule bridge over North Branch Chicago River on Kinzie Street in Chicago
Open to traffic

Kissimmee River Bridge (Highlands County, Florida)
Built 1953
Bascule bridge over Kissimmee River on US-98 (FL 700)
Open to traffic

Knapps Narrows Bridge (Talbot County, Maryland)
Built 1998
Bascule bridge over Knapps Narrows on MD 33
Open to traffic

Lake Champlain Bridge (Grand Isle County, Vermont)
Built 1953; rehabilitated 1995
Bascule bridge over Lake Champlain on US 00002 in North Hero
Open to traffic

Lake Pontchartrain Causeway (St. Tammany Parish, Louisiana)
First bridge built 1956
Pair of prestressed concrete bridges over Lake Pontchartrain with a length of nearly 24 miles in New Orleans
Open to two lanes of toll southbound traffic and two lanes of free northbound traffic

Lake Pontchartrain US 11 Bridge (Orleans Parish, Louisiana)
Built 1938
Bascule bridge over Lake Pontchartrain on US 11 in New Orleans
Open to traffic

Lake Street Bridge (Cook County, Illinois)
Built 1916
Bascule bridge over South Branch Chicago River on Lake Street in Chicago
Open to traffic

Lakeshore Drive Bridge (Cook County, Illinois)
Built 1937
Bascule bridge over Main Branch Chicago River on Lakeshore Drive in Chicago
Open to traffic

Land Blvd. Bridge (Middlesex County, Massachusetts)
Built 1956
Bascule bridge over Broad Canal on Land Blvd. in Cambridge
Open to traffic

Las Olas Boulevard Bridge (Broward County, Florida)
Built 1958
Bascule bridge over Intracoastal Waterway on Las Olas Boulevard in Fort Lauderdale
Open to traffic

Laurel Street Bridge (Hillsborough County, Florida)
Built 1926; rehabilitated 1969
Pony truss bascule bridge over Hillsborough River on Laurel Street in Tampa
Open to traffic

Lewis & Clark River Bridge (Clatsop County, Oregon)
Built 1924
Bascule bridge over Lewis & Clark River on HWY 105
Open to traffic

Linton Blvd. Bridge (Palm Beach County, Florida)
Built 1981
Bascule bridge over Intracoastal Waterway on Linton Blvd. in Delray Beach
Open to traffic

Little Harbor Bridge (Rockingham County, New Hampshire)
Built 1942; rehabilitated 1975
Bascule bridge over Little Harbor on NH 1B in New Castle
Open to traffic

Lock Access Road Bridge (Lauderdale County, Alabama)
Built 1926
Bascule bridge over Wilson Auxiliary Lock on Lock Access Road in Florence
Open to traffic

Long Beach Road Bridge (Nassau County, New York)
Built 1953; rehabilitated 1978
Pair of bascule bridges over Reynolds Channel on Long Beach Road
Open to traffic

Long Creek Bridge (Nassau County, New York)
Built 1934; rehabilitated 1992
Bascule bridge over Long Creek on Loop Parkway
Open to traffic

Longboat Key Pass Bridge (Manatee County, Florida)
Built 1957
Bascule bridge over Longboat Key Pass on FL 789 in Longboat Key
Open to traffic

Loomis Street Bridge (Cook County, Illinois)
Built 1904; rehabilitated 1976
Bascule bridge over South Branch Chicago River on Loomis Street in Chicago
Open to traffic

Loxahatchee River Bridge (Palm Beach County, Florida)
Built 1958
Bascule bridge over ICWW (Loxahatchee River) on US 1 in Jupiter Inlet Colony
Open to traffic

Madison Street Bridge (Cook County, Illinois)
Built 1922; rehabilitated 1994
Bascule bridge over South Branch Chicago River on Madison Street in Chicago
Open to traffic

Main Street Bascule Bridge (Racine County, Wisconsin)
Built 1996; Replaced a bascule bridge built in 1928
Double leaf bascule bridge over Root River on N. Main Street (WI 32) in Racine
Open to traffic

Main Street Bridge (Volusia County, Florida)
Built 1959
Bascule bridge over Halifax River on Main Street in Daytona Beach
Open to traffic

Main Street Bridge (New) (Brown County, Wisconsin)
Built 1998
Bascule bridge over Fox River on Main Street (US 141) in Green Bay
Open to traffic

Main Street Bridge (Old) (Brown County, Wisconsin)
Built 1923; Replaced 1996
Lost Bascule Bridge over Fox River on US 141 in Green Bay
Replaced by new bridge

Malden River Bridge (Middlesex County, Massachusetts)
Built 1954; rehabilitated 1973
Bascule bridge over Malden River on MA 16 in Everett
Open to traffic

Manasquan River Bridge (Ocean County, New Jersey)
Built 1936
Bascule bridge over Manasquan River on NJ 70 in Point Pleasant
Open to traffic

Manasquan River Bridge (Ocean County, New Jersey)
Built 1950
Bascule bridge over Manasquan River on NJ 35 in Point Pleasant Beach
Open to traffic

Manatee River Railroad Bridge (Manatee County, Florida)
Bascule plate girder bridge over Manatee River on the CSX Railroad between Palmetto and Bradenton
Unknown status

Manistee River Bridge (Manistee County, Michigan)
Built 1933; rehabilitated 2005
Bascule bridge over Manistee River on US 31 in Manistee
Open to traffic

Manitowoc River 10th Street Bridge (Manitowoc County, Wisconsin)
Built 1987
Bascule bridge over Manitowoc River on 10th Street (Eastbound US 10) in Manitowoc
Open to traffic

Manitowoc River 8th Street Bridge (Manitowoc County, Wisconsin)
Built in 1995, replaced a bascule bridge built by Manitowoc Shipbuilding in 1926
Bridge over Manitowoc River on 8th Street (Westbound US 10)
Open to traffic

Maple Street Bridge (Manistee County, Michigan)
Built 1964; rehabilitated 1993
Bascule bridge over Manistee River on Maple Street in Manistee
Open to traffic

Market Street Bridge (Hamilton County, Tennessee)
Built 1917
Bascule bridge over Tennessee River on Market Street (State Highway 8) in Chattanooga
Rehabilitated in 2006

Marshyhope Creek Bridge (Dorchester County, Maryland)
Built 1931
Bascule bridge over Marshyhope Creek on MD 14
Open to traffic

Matanzas River Bridge (St. Johns County, Florida)
Built 1975
Bascule bridge over Matanzas River Iww on FL 206
Open to traffic

Maumee River Bridge (Lucas County, Ohio)
Built 1956; rehabilitated 1980
Bascule bridge over Maumee River on I-280 in Toledo
Open to traffic

McGuiness Blvd. Bridge (Kings County, New York)
Built 1954; rehabilitated 1995
Bascule bridge over Newtown Creek on McGuiness Blvd. in New York
Open to traffic

Menominee River Bridge (Marinette County, Wisconsin)
Built 1973
Bascule bridge over Menominee River on Ogden Street in Marinette
Open to traffic

Meridian Street Bridge (Suffolk County, Massachusetts)
Built 1954; rehabilitated 2002
Bascule bridge over Chelsea River on Meridian Street in Boston
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1976
Bascule bridge over Merrimack River on US 1 (Bridge Road) in Newburyport
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1914; rehabilitated 1951
Bascule bridge over Merrimack River on MA 97/MA 113 in Groveland
Open to traffic

Metropolitan Avenue Bridge (Kings County, New York)
Built 1931; rehabilitated 1976
Bascule bridge over English Kills on Metropolitan Avenue in New York
Open to traffic

Miami Avenue Bridge (Miami-Dade County, Florida)
Built 1985
Pair of bascule bridges over Miami River on Miami Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1997
Pair of bascule bridges over Miami River on FL 9 (NW 27th Avenue) in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1928; rehabilitated 1956
Bascule bridge over Miami River on NW 12th Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1964
Bascule bridge over Miami River on NW 22nd Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1929
Bascule bridge over Miami River on SW 1st Street in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 2003
Bascule bridge over Miami River on SW 2nd Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1929
Bascule bridge over Miami River on NW 7th Avenue (SR 7) in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1928
Bascule bridge over Miami River on NW 17th Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1950
Bascule bridge over Miami River on NW 36th Street in Hialeah
Open to traffic

Michigan Avenue Bridge (Cook County, Illinois)
Built 1920
Bascule bridge over Main Branch Chicago River on Michigan Avenue in Chicago
Open to traffic

Michigan Street Bridge (Door County, Wisconsin)
Built 1930; rehabilitated 1979
Bascule bridge over Sturgeon Bay on Michigan Street in Sturgeon Bay
Open to traffic

Middle Thorofare Bridge (Cape May County, New Jersey)
Built 1939
Bascule bridge over Middle Thorofare on Ocean Highway (CR 621)
Open to traffic

Miles River Bridge (Talbot County, Maryland)
Built 1984
Bascule bridge over Miles River on MD 370
Open to traffic

Military Street Bascule Bridge (St. Clair County, Michigan)
Built 1012-13; Replaced 1991
Lost Bascule Bridge over Black River on I-94/I-69 Business Loop in Port Huron
Replaced by new bridge

Mill Basin Bridge (Kings County, New York)
Built 1941
Bascule bridge over Mill Basin on Shore Parkway in New York
Open to traffic

Milwaukee River Broadway St. Bridge (Milwaukee County, Wisconsin)
Built 1982
Bascule bridge over Milwaukee River on Broadway Street (WI 32) in Milwaukee
Open to traffic

Missisquoi Bay Bridge (Grand Isle County, Vermont)
Built 1937; rehabilitated 1965
Bascule bridge over Missisquoi Bay on VT 78 in Alburg
Open to traffic

Monroe Street Bridge (Cook County, Illinois)
Built 1919
Bascule bridge over South Branch Chicago River on W. Monroe Street in Chicago
Open to traffic

Montlake Cut Bridge (King County, Washington)
Built 1924; rehabilitated 1999
Bascule bridge over Montlake Cut on WA 513 in Seattle
Open to traffic

Morrison Street Bridge (Multnomah County, Oregon)
Built 1958
Bascule bridge over Willamette River on Morrison Street in Portland
Open to traffic

Morrssey Blvd. Bridge (Suffolk County, Massachusetts)
Built 1927; rehabilitated 1978
Bascule bridge over Dorchester Bay on Morrssey Blvd. in Boston
Open to traffic

Mullica River Bridge (Atlantic County, New Jersey)
Built 1926; replaced 2003
Lost bascule bridge over Mullica River on Egg Harbor-Green Bank Road
No longer exists

Mullica River Bridge (Burlington County, New Jersey)
Built 1993
Bascule bridge over Mullica River on CR 652
Open to traffic

Mystic River Bridge (Suffolk County, Massachusetts)
Built 1963
Bascule bridge over Mystic River on MA 99 (Alford Street) in Boston
Open to traffic

Mystic River Bridge (New London County, Connecticut)
Built 1922
Bascule bridge over Mystic River on US 1 in Groton
Open to traffic

N. Emmber Lane Bridge (Milwaukee County, Wisconsin)
Built 2000
Bascule bridge over Menomonee River on N. Emmber Lane in Milwaukee
Open to traffic

Narrow Bay Bridge (Suffolk County, New York)
Built 1959
Bascule bridge over Narrow Bay on Floyd Parkway Extension in Shirley
Open to traffic

Navesink River Bridge (Monmouth County, New Jersey)
Built 1939; rehabilitated 1970
Bascule bridge over Navesink River on CR 8A in Rumson
Open to traffic

New Pass Bridge (Sarasota County, Florida)
Built 1986
Bascule bridge over New Pass on FL 789 in Sarasota
Open to traffic