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Operation of Movable Bridges - http://www.co.multnomah.or.us/dbcs/LUT/bridges/bridge_operations/movable_brdg_ops.shtml
Provide information on how Multnomah County in the United States operates four movable bridges; one vertical lift and three bascule, and the distinguishing features of each type. |
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Atlantic Beach Bridge - http://www.nycroads.com/crossings/atlantic-beach/
Descriptive history and current conditions on this steel-deck bascule drawbridge located on Long Island. |
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Strauss Bascule Bridge - http://users.ipa.net/~ewall/fecbr.htm
Illustrated history of this Florida East Coast Railway bridge over the St. Johns River at Jacksonville. |
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Bascule Bridges - http://www.childs-ceng.demon.co.uk/pics/plank.html
Operational data and links to commentary and photographs of a selection of moveable bridges. |
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Casco Bay Bridge - http://www.modjeski.com/projects/servproj/PSP.htm
Information on the project, completed in 1998, to replace the old bridge with a new structure with a mid-level movable bascule span. Crosses the Fore River in Portland, Maine. |