Lombard Street Bridge
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. It was designed in 1877 by engineer Wendel Bollman (1814–1884). The center bowstring is actually a bifurcated cast iron water main. This design for a bridge carrying a water line as a component of the truss bridge support itself is a unique design element of this bridge.
The bridge was dismantled and placed into storage in 1975, after it was judged that it could not handle the increased traffic on Lombard Street. It was listed on the National Register of Historic Places in 1972.
References
- ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ Miller, Nancy (December 1974). "National Register of Historic Places Registration: Lombard Street Bridge" (PDF). Maryland Historical Trust. Archived from the original (PDF) on April 7, 2016. Retrieved March 1, 2016.
- ^ "Old Lombard Street Iron Bridge". Bridgehunter.com. Archived from the original on May 28, 2022.
External links
- Lombard Street Bridge, Baltimore City, including photo in 1968, at Maryland Historical Trust
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