Long Bridge may refer to:
Bridges Denmark Langebro (), Copenhagen
United Kingdom Barnstaple Long Bridge, Devon Bideford Long Bridge, Devon Long Bridge, a former bridge in the location of the present Queen's Bridge, Belfast
United States Long Bridge (Potomac River), one of the 14th Street Bridges in Washington, D.C. Huey P. Long Bridge (Baton Rouge) in Baton Rouge, Louisiana Huey P. Long Bridge (Jefferson Parish) in Jefferson Parish, Louisiana (near New Orleans) Sarah Mildred Long Bridge between Portsmouth, New Hampshire and Kittery, Maine
Serbia Long Bridge, Belgrade, the oldest permanent bridge in Belgrade, built in 1688
Towns Long Bridge, in Lafayette Parish, Louisiana, United States
See also Long–Allen Bridge (disambiguation), several bridges named for Huey P. Long and Oscar K. Allen Longbridge (disambiguation) Uzunköprü Bridge, Turkey