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Lombard Street Bridge is a historic truss bridge located at Baltimore, Maryland, United States.It is an 88-foot cast iron span consisting of three lines of trusses—two outer trusses of composite cast and wrought iron in a diagonal Pratt design and a center composite bowstring truss of Pratt-system web.
The Baltimore truss is a subclass of the Pratt truss. A Baltimore truss has additional bracing in the lower section of the truss to prevent buckling in the compression members and to control deflection. It is mainly used for rail bridges, showing off a simple and very strong design.
Pages in category "Baltimore truss bridges" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. * Baltimore truss; A.
Baltimore truss bridges (1 C, 14 P) Pages in category "Pratt truss bridges" The following 22 pages are in this category, out of 22 total.
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Design: Pratt Through Truss: No. of spans: 1: History; Designer: Thomas and Caleb Pratt: Construction end: ... The Guilford Quarry Pratt Through Truss Bridge at ...
The jaw-dropping collapse of Baltimore’s well-trafficked Francis Scott Key Bridge resulted after a rare set of circumstances — but still highlights how shipping and structural changes could ...
Design: Two riveted Pratt trusses Five riveted Baltimore trusses One pin-connected Baltimore swing truss [1] Material: Steel: Total length: 1,608 feet (490 m) [2] Width: