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bascule bridges

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Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne County, MI

Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...

Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

East Division Street Bridge, Spanning North Branch Canal at West Division Street, Chicago, Cook County, IL

East Division Street Bridge, Spanning North Branch Canal at West Divis...

Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More

Chicago Avenue Bridge, Spanning North Branch of Chicago River at West Chicago Avenue, Chicago, Cook County, IL

Chicago Avenue Bridge, Spanning North Branch of Chicago River at West ...

Picryl description: Public domain image of a rural landscape with a watermill, water, decayed building, 18th, 19th century architecture, free to use, no copyright restrictions.

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gretna, Burlington County, NJ

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gre...

Significance: This single-leaf, trunnion bascule bridge is a well-preserved example of a patented Strauss articulated underneath counterweight structure. It is significant for its use of chain-driven operating... More

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gretna, Burlington County, NJ

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gre...

Significance: This single-leaf, trunnion bascule bridge is a well-preserved example of a patented Strauss articulated underneath counterweight structure. It is significant for its use of chain-driven operating... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at U.S. Route 4, Dover, Strafford County, NH

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at ...

Significance: The bridge is a representative example of a single leaf bascule lift bridge with a vertical overhead counterweight. It is the oldest of the state's three remaining bascule bridges and is the only ... More

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at U.S. Route 4, Dover, Strafford County, NH

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at ...

Significance: The bridge is a representative example of a single leaf bascule lift bridge with a vertical overhead counterweight. It is the oldest of the state's three remaining bascule bridges and is the only ... More

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at U.S. Route 4, Dover, Strafford County, NH

Colonel Alexander Scammell Memorial Bridge, Spanning Bellamy River at ...

Significance: The bridge is a representative example of a single leaf bascule lift bridge with a vertical overhead counterweight. It is the oldest of the state's three remaining bascule bridges and is the only ... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

University Avenue Bridge, Spanning Schuylkill River at University Avenue (State Route 3003), Philadelphia, Philadelphia County, PA

University Avenue Bridge, Spanning Schuylkill River at University Aven...

Significance: The bridge is significant for its association with noted Philadelphia architect Paul Phillipe Cret, who designed the bridge in collaboration with city engineers. Its exterior treatment reflects Cr... More

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets, Portland, Multnomah County, OR

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets...

Picryl description: Public domain image of park architecture, palace, chateau, open space, 18th, and 19th-century architecture, free to use, no copyright restrictions.

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets, Portland, Multnomah County, OR

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets...

Public domain photograph - historical image of Oregon, United States, free to use, no copyright restrictions image - Picryl description

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

North Avenue Bridge, Spanning North Branch of Chicago River at West North Avenue, Chicago, Cook County, IL

North Avenue Bridge, Spanning North Branch of Chicago River at West No...

Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More

Chicago River Bascule Bridge, Franklin Street, Spanning Chicago River at North Franklin Street, Chicago, Cook County, IL

Chicago River Bascule Bridge, Franklin Street, Spanning Chicago River ...

Significance: The development of the Chicago trunnion bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More

Rehoboth Avenue Bridge, State Route 1A (Rehoboth Avenue) over Lewes & Rehoboth Canal, Rehoboth Beach, Sussex County, DE

Rehoboth Avenue Bridge, State Route 1A (Rehoboth Avenue) over Lewes & ...

Significance: A notable example of a Scherzer rolling lift bascule bridge and a typical example of 1920's bridge architecture. It is the second oldest bascule bridge in Delaware, out of the eleven that are sti... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Broadway Bridge, Spanning Willamette River at Broadway Street, Portland, Multnomah County, OR

Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...

Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More

Broadway Bridge, Spanning Willamette River at Broadway Street, Portland, Multnomah County, OR

Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...

Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at St. Marys Falls Canal, Sault Ste. Marie, Chippewa County, MI

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at ...

Significance: The Sault Ste. Marie International Railroad Bridge has nine camelback truss spans crossing the St. Marys River with bascule and vertical lift bridge components crossing the American Locks at the S... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of Chicago River at Monroe Street, Chicago, Cook County, IL

Chicago River Bascule Bridge, Monroe Street, Spanning South Branch of ...

Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gretna, Burlington County, NJ

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gre...

Significance: This single-leaf, trunnion bascule bridge is a well-preserved example of a patented Strauss articulated underneath counterweight structure. It is significant for its use of chain-driven operating... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

North Halsted Street Canal Bridge, Spanning North Branch Canal at North Halsted Street, Chicago, Cook County, IL

North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...

Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More

North Halsted Street Canal Bridge, Spanning North Branch Canal at North Halsted Street, Chicago, Cook County, IL

North Halsted Street Canal Bridge, Spanning North Branch Canal at Nort...

Significance: Spanning the North Branch Canal at North Halsted Street in Chicago, the North Halsted Street Bridge is a double-leaf, fixed-trunnion bascule with a rigidly attached, below-deck counterweight. Com... More

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

Tilghman Island Bridge, Spanning Knapp's Narrows, Tilghman, Talbot Cou...

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 ... More

Chicago River Bascule Bridge, Wells Street, Spanning South Branch Chicago River at North Wells Street, Chicago, Cook County, IL

Chicago River Bascule Bridge, Wells Street, Spanning South Branch Chic...

Significance: The development of the Chicago trunnoin bascule bridge occurred during the first three decades of the twentieth century. Despite the controversy over patent infringement Joseph E. Strauss charg... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Streets, Menasha, Winnebago County, WI

Tayco Street Bridge, Spanning Government Canal at Tayco & Water Street...

Significance: The Tayco Street Bridge is a double leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Menasha. With its symmetrical design and four hous... More

University Avenue Bridge, Spanning Schuylkill River at University Avenue (State Route 3003), Philadelphia, Philadelphia County, PA

University Avenue Bridge, Spanning Schuylkill River at University Aven...

Significance: The bridge is significant for its association with noted Philadelphia architect Paul Phillipe Cret, who designed the bridge in collaboration with city engineers. Its exterior treatment reflects Cr... More

Chicago River Bascule Bridge, West Cortland Street, Spanning North Branch of Chicago River at West Cortland Street, Chicago, Cook County, IL

Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...

Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets, Portland, Multnomah County, OR

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets...

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets, Portland, Multnomah County, OR

Morrison Bridge, Spanning Willamette River on Morrison & Alder Streets...

Public domain image of urban environment, buildings, city streets, cityscape, free to use, no copyright restrictions image - Picryl description

Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chicago River at Grand Avenue, Chicago, Cook County, IL

Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...

Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Seaford Bridge, Spanning Nanticoke River at Front Street, Seaford, Sussex County, DE

Seaford Bridge, Spanning Nanticoke River at Front Street, Seaford, Sus...

Public domain photograph - historical image of Delaware, United States, free to use, no copyright restrictions image - Picryl description

North Avenue Bridge, Spanning North Branch of Chicago River at West North Avenue, Chicago, Cook County, IL

North Avenue Bridge, Spanning North Branch of Chicago River at West No...

Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More

North Avenue Bridge, Spanning North Branch of Chicago River at West North Avenue, Chicago, Cook County, IL

North Avenue Bridge, Spanning North Branch of Chicago River at West No...

Significance: When Chicago became a major commercial and industrial center after the Civil War, the most common American drawbridge was the swing bridge, horizontally rotating on a center pier to open two navig... More

Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, Florence, Lane County, OR

Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...

Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More

Rehoboth Avenue Bridge, State Route 1A (Rehoboth Avenue) over Lewes & Rehoboth Canal, Rehoboth Beach, Sussex County, DE

Rehoboth Avenue Bridge, State Route 1A (Rehoboth Avenue) over Lewes & ...

Significance: A notable example of a Scherzer rolling lift bascule bridge and a typical example of 1920's bridge architecture. It is the second oldest bascule bridge in Delaware, out of the eleven that are sti... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Ponte Vedra Beach, St. Johns County, FL

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Po...

Significance: The Palm Valley Bridge is the last bridge over the Intracoastal Waterway in Florida owned and operated by the U.S. Army Corps of Engineers. It is also a good example of an unaltered double-leaf b... More

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Ponte Vedra Beach, St. Johns County, FL

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Po...

Significance: The Palm Valley Bridge is the last bridge over the Intracoastal Waterway in Florida owned and operated by the U.S. Army Corps of Engineers. It is also a good example of an unaltered double-leaf b... More

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Ponte Vedra Beach, St. Johns County, FL

Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Po...

Significance: The Palm Valley Bridge is the last bridge over the Intracoastal Waterway in Florida owned and operated by the U.S. Army Corps of Engineers. It is also a good example of an unaltered double-leaf b... More

Broadway Bridge, Spanning Willamette River at Broadway Street, Portland, Multnomah County, OR

Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...

Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More

Broadway Bridge, Spanning Willamette River at Broadway Street, Portland, Multnomah County, OR

Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...

Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at St. Marys Falls Canal, Sault Ste. Marie, Chippewa County, MI

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at ...

Significance: The Sault Ste. Marie International Railroad Bridge has nine camelback truss spans crossing the St. Marys River with bascule and vertical lift bridge components crossing the American Locks at the S... More

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at St. Marys Falls Canal, Sault Ste. Marie, Chippewa County, MI

Sault Ste. Marie International Railroad Bridge, Spanning Soo Locks at ...

Significance: The Sault Ste. Marie International Railroad Bridge has nine camelback truss spans crossing the St. Marys River with bascule and vertical lift bridge components crossing the American Locks at the S... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlantic County, NJ

Lower Bank Road Bridge, Spanning Mullica River, Egg Harbor City, Atlan...

Significance: In 1926, the bascule bridge replaced an earlier swing bridge at the same location. The present bridge was erected by Hill Construction Company. The bascule portion of the bridge is an excellent ... More

Erie Railway, New York Division, Bridge 8.04 (c.1900), Spanning Passaic River, Newark, Essex County, NJ

Erie Railway, New York Division, Bridge 8.04 (c.1900), Spanning Passai...

Survey number: HAER NJ-25-B Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description

Chicago River Bascule Bridge, Columbus Avenue, Spanning Chicago River at Columbus Avenue, Chicago, Cook County, IL

Chicago River Bascule Bridge, Columbus Avenue, Spanning Chicago River ...

Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Congress Street Bascule Bridge, Spanning Fort Point Channel at Congres...

Significance: The Congress Street Bridge, built in 1930, is a trunnion bascule bridge and the most recent of the five movable-truss bridges spanning the Fort Point Channel. It replaced a steam operated swing d... More

Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne County, MI

Dix Bascule Bridge, Spanning Rouge River at Dix Avenue, Detroit, Wayne...

Significance: The Dix Bascule Bridge is the newest of three double-leaf trunnion drawbridges constructed over the Rouge River in the 1920's. It is important in local history for its relation to the economic de... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, north of Sixteenth Street, Chicago, Cook County, IL

St. Charles Air Line Bridge, Spanning South Branch of Chicago River, n...

Significance: Like all Strauss heel-trunnion bascule bridges, the St. Charles Air Line Bridge rotates vertically, lifting to clear the river it spans. This particular bridge is unique, however, in that its des... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, New London County, CT

Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...

Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gretna, Burlington County, NJ

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gre...

Significance: This single-leaf, trunnion bascule bridge is a well-preserved example of a patented Strauss articulated underneath counterweight structure. It is significant for its use of chain-driven operating... More

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gretna, Burlington County, NJ

State Bridge No. 0302150, Spanning Bass River at U.S. Route 9, New Gre...

Significance: This single-leaf, trunnion bascule bridge is a well-preserved example of a patented Strauss articulated underneath counterweight structure. It is significant for its use of chain-driven operating... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston, Suffolk County, MA

New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...

Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More

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