Descriptive history and current conditions on this steel-deck bascule drawbridge located on Long Island.

Operational data and links to commentary and photographs of a selection of moveable bridges.

Article describes the replacement of the old with a new structure with a mid-level movable bascule span. Crosses the Fore river in Portland, Maine.

Brief descriptions of each of the four types of movable bridges supported with photographs and sketches.

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.

Illustrated history of this Florida East Coast Railway bridge over the St. Johns River at Jacksonville.