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Tilghman vicinity

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Tilghman Island Bridge, Spanning Knapp's Narrows, Tilghman, Talbot County, MD



See 26 maps of this location


B&W Photos

HB613656
BWPhotos 384543
HB613657
BWPhotos 384544
HB613658
BWPhotos 384545
HB613659
BWPhotos 384546


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Knapp's Narrows, Tilghman vicinity, MD

Find maps of Tilghman, MD


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MD-108
Building/structure dates: 1934 initial construction
Significance: The drawbridge spanning the Knapps Narrows Channel between the mainland and Tilghman Island, Maryland, is significant as a unique engineering type and for its historical and aesthetic connections to Tilghman Island. The bridge, which is eligible for listing in the National Register of Historic Places, has been a landmark in the region and should be preserved and interpreted. Constructed in 1934, it is Maryland's only overhead counterweight bascule span and one of only fifteen moveable bridges throughout the state road network. This type of bridge -- a heel trunion rolling lift bridge with a counterweight suspended above the roadway -- was constructed at the Knapps Narrows site because of its ease and speed of operation. The bridge opened approximately 12,000 times a year, more often than most East Coast bridges. In 1995 it was determined that the Tilghman Island bridge would be replaced with a new structure. The Chesapeake Bay Maritime Museum, which for thirty years has served as the leading nonprofit educational institution responsible for preserving the heritage and artifacts of the Chesapeake Bay, moved the bridge to its campus in St. Michael's and is making it the keystone of the Museum's new entrance road.

Subjects
Bascule Bridges
Heel Trunnion Bridges


Related Names
Maryland State Roads Commission
Maryland State Highway Adminstration
Chesapeake Bay Maritime Museum
Lowe, Jet, Photographer
Chesapeake Bay Maritime Museum, Historian


Collection
Historic American Engineering Record (Library of Congress)

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