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The walkway was thus nearer to ground level than in a standard design where the walkway is placed on top of the structural support system. [16] This reduced the number of steps to climb. The bridge was a post-tensioned concrete structure. [16] Concrete structures are generally ten times heavier than equivalent steel designs. [23]
Name Image Built Listed Location County Type Blackburn Point Bridge: 1925 March 29, 2001 Osprey: Sarasota: Warren pony truss: Bridge of Lions: 1926 November 19, 1982
Collapsed barn at Hörsne, Gotland, Sweden Building collapse due to snow weight. Structural integrity and failure is an aspect of engineering that deals with the ability of a structure to support a designed structural load (weight, force, etc.) without breaking and includes the study of past structural failures in order to prevent failures in future designs.
The U.S. state of Florida, due to being a peninsula and its proximity to the Gulf of Mexico and Atlantic Ocean, has many bridges of varying lengths. The longest bridge in the state is the Seven Mile Bridge located in the Florida Keys. This list includes overwater automobile bridges 2,640 feet (800 m) or longer.
Twenty-four wildlife crossings (highway underpasses) and 12 bridges modified for wildlife have been constructed along a 40-mile stretch of Interstate 75 in Collier and Lee Counties in Florida . These crossings are specifically designed to target and protect the endangered Florida panther, a subspecies of cougar found in the Southeastern United ...
The original St. Johns River Bridge was a four-lane concrete-and-steel causeway bridge constructed over the St. Johns River at the west outlet of Lake Monroe. It is a part of Interstate 4, and spans the border between Seminole and Volusia Counties in Florida, United States. On the Seminole side is Sanford and on the Volusia side is DeBary.
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Seddon Island Scherzer Rolling Lift Bridge Replaced Rolling lift (Scherzer) bascule: 1909 1983 Beneficial Drive Garrison Channel: Tampa: Hillsborough: FL-8-C: Cape Canaveral Air Force Station, Haulover Canal Bridge Extant