Moveable Structures Bridge Structural Engineering

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.

• Strauss Bascule Bridge - Illustrated history of this Florida East Coast Railway structures bridge over bridge the St. Johns River at Jacksonville.
• Operation of Movable Bridges - Provide information on how Multnomah County in the bridge United States operates four movable bridges; one vertical bridge lift and three bascule, and the distinguishing features bridge of each type.
• Casco Bay Bridge - Information on the project, completed in 1998, to moveable replace the structures old bridge with a new structure moveable with a mid-level movable structures bascule span. Crosses the moveable Fore River in Portland, Maine.
• Bascule Bridges - Operational data and links to commentary and photographs of a bridge selection of moveable bridges.
• Atlantic Beach Bridge - Descriptive history and current conditions on this steel-deck bridge bascule drawbridge located on Long Island.

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