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Architectural drawing for a wooden truss bridge. Bridge plan and elevation

Architectural drawing for a wooden truss bridge. Bridge plan and eleva...

Preliminary drawing showing bridge as plan and elevation; engineering drawing. UNIT title devised. Date based on truss type and date of Bulfinch's last known work. Drawing not signed; attribution based on drawi... More

Daphna Creek Pratt Truss Bridge, State Route 1414, Holly Hill Street, Spanning Dahna Creek, Broadway, Rockingham County, Virginia

Daphna Creek Pratt Truss Bridge, State Route 1414, Holly Hill Street, ...

Significance: This structure is a representative Pratt Half-Hip Pony Truss bridge with pin connections. Its floor beams are riveted directly to the vertical compression members and they support a wood plank de... More

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...

Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More

Main Street Parker Pony Truss Bridge, Main Street (Route 170) spanning Yellow Creek, Poland, Mahoning County, OH

Main Street Parker Pony Truss Bridge, Main Street (Route 170) spanning...

Significance: The Main Street Parker Pony Truss Bridge was built in 1904 by Huston and Cleveland of Columbus, Ohio. Although the firm only operated from 1902-1907, it built quite a few bridges in the Mahoning ... More

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County Route 73, Antwerp, Paulding County, OH

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County R...

Significance: The Forder Bridge is a "textbook" example of a typical, prefabricated metal-truss that represents the transition from bridges made of wrought-iron to steel between 1889 and 1893. It is the oldest... More

Virgin River Warren Truss Bridge, Spanning Virgin River at Old Road southeast of State Highway 9, Hurricane, Washington County, UT

Virgin River Warren Truss Bridge, Spanning Virgin River at Old Road so...

Survey number: HAER UT-76 Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Earth County, MN

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Ear...

Significance: This bridge is listed in the National Register of Historic Places under Criterion C in the area of Engineering as the only example of a bowstring arch through-truss bridge in the state of Minnesot... More

Dougal Truss Bridge, Across Pennsylvania Canal at Gobbler's Way (Legislative Route 920), Point Pleasant, Bucks County, PA

Dougal Truss Bridge, Across Pennsylvania Canal at Gobbler's Way (Legis...

Survey number: HAER PA-196 Public domain photograph of electric wires, power line, free to use, no copyright restrictions image - Picryl description

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery Drive (Riverside Drive), Poland, Mahoning County, OH

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery D...

Significance: The White Bowstring Arch Truss Bridge is the only known example in Ohio of William Rezner's patented oval wrought-iron tubular arch design. Only two other examples are known to exist in the Unite... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tracks, Charleston, Kanawha County, WV

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tr...

Survey number: HAER WV-81 Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroad, Northfield, Washington County, VT

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...

Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.

Thacher Truss Bridge, Spanning Linville Creek, Broadway, Rockingham County, Virginia

Thacher Truss Bridge, Spanning Linville Creek, Broadway, Rockingham Co...

Significance: This structure is an excellent example of an uncommon type of truss bridge. Survey number: HAER VA-35 Building/structure dates: 1898 Initial Construction

Thacher Truss Bridge, Spanning Linville Creek, Broadway, Rockingham County, Virginia

Thacher Truss Bridge, Spanning Linville Creek, Broadway, Rockingham Co...

Significance: This structure is an excellent example of an uncommon type of truss bridge. Survey number: HAER VA-35 Building/structure dates: 1898 Initial Construction

Fosnaugh Truss Leg Bedstead Bridge, Spanning Scippo Creek at Township Route 128, Stoutsville, Fairfield County, OH

Fosnaugh Truss Leg Bedstead Bridge, Spanning Scippo Creek at Township ...

Significance: The Fosnaugh Truss leg Bedstead Bridge was built by the Hocking Valley Bridge Works (HVBW) of Lancaster, Ohio in 1891. HVBW was a small firm founded by Augustus Borneman in 1881. This bridge is ... More

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Old Colerain Pennsylvania Through Truss Bridge, Spanning Great Miami River at County Route 463, Ross, Butler County, OH

Old Colerain Pennsylvania Through Truss Bridge, Spanning Great Miami R...

Significance: The Old Colerain Pennsylvania Through Truss Bridge was built in 1894 by the King Bridge Company of Cleveland, Ohio, one of the largest and most important bridge concerns in the United States in th... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...

Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton County, MO

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton ...

The address was changed to reflect that the bridge was moved from its original location (Spanning Linn Branch Creek, Trimble vicinity, Clinton County, Missouri) to Parkville, Missouri, in 1987. (March 2016) Si... More

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton County, MO

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton ...

The address was changed to reflect that the bridge was moved from its original location (Spanning Linn Branch Creek, Trimble vicinity, Clinton County, Missouri) to Parkville, Missouri, in 1987. (March 2016) Si... More

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton County, MO

Waddell "A" Truss Bridge, Spanning Lin Branch Creek, Trimble, Clinton ...

The address was changed to reflect that the bridge was moved from its original location (Spanning Linn Branch Creek, Trimble vicinity, Clinton County, Missouri) to Parkville, Missouri, in 1987. (March 2016) Si... More

Harrison Road Camelback Through Truss Bridge, Spanning Great Miami River at Harrison Road (Route 457), Miamitown, Hamilton County, OH

Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...

Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery Drive (Riverside Drive), Poland, Mahoning County, OH

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery D...

Significance: The White Bowstring Arch Truss Bridge is the only known example in Ohio of William Rezner's patented oval wrought-iron tubular arch design. Only two other examples are known to exist in the Unite... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Abbott's Parker Through Truss Bridge, Spanning Sandusky River at Abbott Road (Pleasant Township), Tiffin, Seneca County, OH

Abbott's Parker Through Truss Bridge, Spanning Sandusky River at Abbot...

Significance: This bridge is a typical example of a Parker through truss and is the last bridge to be built in Seneca County by Massillon Bridge Company. The bridge is an example of a truss configuration devel... More

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroad, Northfield, Washington County, VT

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroad, Northfield, Washington County, VT

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...

Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroad, Northfield, Washington County, VT

Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...

Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.

[Trans-Siberian Railway metal truss bridge on stone piers, over the Kama River near Perm, Ural Mountains Region]

[Trans-Siberian Railway metal truss bridge on stone piers, over the Ka...

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Colchester, New London County, CT

Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...

Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patux...

Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an A... More

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patux...

Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an A... More

R.W. Smith's patent truss bridge, Tippecanoe City, Miami Co., Ohio / Strobridge & Co. Lith., Cincinnati, O.

R.W. Smith's patent truss bridge, Tippecanoe City, Miami Co., Ohio / S...

Railroad bridge and another bridge spanning a river. Print date based on bridge patent dates. 1st Smith truss bridge patent (#66,900) is July 16, 1867. The print shows bridges with Smith type trusses but withou... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

[A ship, Monongahela, passing under Aurora Bridge, Seattle, Washington.  Center truss of bridge has not yet been installed ]

[A ship, Monongahela, passing under Aurora Bridge, Seattle, Washington...

JO 9011 U.S. Copyright Office. Copyright by Jones & Warner. No. W-1746-1.

House plant. Making up truss in jig. Southeast Missouri Farms Project

House plant. Making up truss in jig. Southeast Missouri Farms Project

Picryl description: Public domain image of a construction site, wooden frame, timber, free to use, no copyright restrictions.

Haupt Truss Bridge, 1300 Ninth Avenue, Railroaders' Memorial Museum, Altoona, Blair County, PA

Haupt Truss Bridge, 1300 Ninth Avenue, Railroaders' Memorial Museum, A...

See also HAER PA-422 for another example of a surviving Haupt iron truss. Significance: Designed by Herman Haupt, the Haupt iron truss was a rare combination of Pratt truss and tied arch, constructed and used e... More

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...

Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...

Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County Route 73, Antwerp, Paulding County, OH

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County R...

Significance: The Forder Bridge is a "textbook" example of a typical, prefabricated metal-truss that represents the transition from bridges made of wrought-iron to steel between 1889 and 1893. It is the oldest... More

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County Route 73, Antwerp, Paulding County, OH

"Forder" Pratt Through Truss Bridge, Spanning Maumee River at County R...

Significance: The Forder Bridge is a "textbook" example of a typical, prefabricated metal-truss that represents the transition from bridges made of wrought-iron to steel between 1889 and 1893. It is the oldest... More

Harrison Road Camelback Through Truss Bridge, Spanning Great Miami River at Harrison Road (Route 457), Miamitown, Hamilton County, OH

Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...

Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tracks, Charleston, Kanawha County, WV

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tr...

Survey number: HAER WV-81 Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tracks, Charleston, Kanawha County, WV

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tr...

Survey number: HAER WV-81 Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tracks, Charleston, Kanawha County, WV

Elk River Truss Bridge, Spanning Elk River at Penn Central Railroad tr...

Survey number: HAER WV-81 Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

Fort Griffin Iron Truss Bridge, Spanning Clear Fork of Brazos River at County Route 188, Fort Griffin, Shackelford County, TX

Fort Griffin Iron Truss Bridge, Spanning Clear Fork of Brazos River at...

Significance: The Fort Griffin Iron Truss Bridge is the oldest functioning bridge in Shackelford County, Texas, and one of the state's oldest remaining trusses. It is also the last remaining pin-connected Prat... More

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at State Route 73, Portsmouth, Scioto County, OH

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at Sta...

Significance: This bridge was for many years the only highway bridge across the Scioto River in Scioto County. It thus provided a vital road link in addition to crating a bridge for the Portsmouth Street Railw... More

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at State Route 73, Portsmouth, Scioto County, OH

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at Sta...

Significance: This bridge was for many years the only highway bridge across the Scioto River in Scioto County. It thus provided a vital road link in addition to crating a bridge for the Portsmouth Street Railw... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Altavista, Campbell County, Virginia

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Alta...

Significance: The Mansion Truss Bridge is a representative example of a pin-connected steel Camelback truss, supported by concrete-filled steel cylinder piers. The truss and piers are typical of late nineteent... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...

Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patux...

Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an A... More

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patux...

Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an A... More

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD

Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patux...

Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an A... More

North Platte River Bowstring Truss Bridge, Spanning North Platte River, Fort Laramie, Goshen County, WY

North Platte River Bowstring Truss Bridge, Spanning North Platte River...

STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More

Production. B-17F heavy bombers. Careful and accurate girl technicians at the Long Beach, California, plant of Douglas Aircraft Company jig-drill a wing spar truss for a B-17F heavy bomber. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Production. B-17F heavy bombers. Careful and accurate girl technicians...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

The Robert C. Byrd Bridge, a 720-foot continuous truss bridge that crosses the Ohio River between Huntington, West Virginia, and Chesapeake, Ohio

The Robert C. Byrd Bridge, a 720-foot continuous truss bridge that cro...

Title, date and keywords based on information provided by the photographer. The crossing was constructed to replace an old, narrow two-lane structure that was demolished after 69 years of service in a spectacul... More

Daphna Creek Pratt Truss Bridge, State Route 1414, Holly Hill Street, Spanning Dahna Creek, Broadway, Rockingham County, Virginia

Daphna Creek Pratt Truss Bridge, State Route 1414, Holly Hill Street, ...

Significance: This structure is a representative Pratt Half-Hip Pony Truss bridge with pin connections. Its floor beams are riveted directly to the vertical compression members and they support a wood plank de... More

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...

Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More

Roaring Run Bowstring Truss Bridge, Spanning Roaring Run, State Route 657, Bedford, Bedford City, Virginia

Roaring Run Bowstring Truss Bridge, Spanning Roaring Run, State Route ...

Significance: Roaring Run is one of the oldest surviving bridges of its type (Bowstring Truss Bridge) in the United States. / This highway bridge, fabricated by King Iron Bridge & Manufacturing Company of Cleve... More

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Earth County, MN

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Ear...

Significance: This bridge is listed in the National Register of Historic Places under Criterion C in the area of Engineering as the only example of a bowstring arch through-truss bridge in the state of Minnesot... More

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Earth County, MN

Kern Truss Bridge, Township Road over LeSueur River, Skyline, Blue Ear...

Significance: This bridge is listed in the National Register of Historic Places under Criterion C in the area of Engineering as the only example of a bowstring arch through-truss bridge in the state of Minnesot... More

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery Drive (Riverside Drive), Poland, Mahoning County, OH

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery D...

Significance: The White Bowstring Arch Truss Bridge is the only known example in Ohio of William Rezner's patented oval wrought-iron tubular arch design. Only two other examples are known to exist in the Unite... More

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery Drive (Riverside Drive), Poland, Mahoning County, OH

White Bowstring Arch Truss Bridge, Spanning Yellow Creek at Cemetery D...

Significance: The White Bowstring Arch Truss Bridge is the only known example in Ohio of William Rezner's patented oval wrought-iron tubular arch design. Only two other examples are known to exist in the Unite... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicinity, Albany, Albany County, NY

Whipple Cast & Wrought Iron Bowstring Truss Bridge, Normans Kill Vicin...

Bridge moved to present location ca. 1900. More information is available by reviewing U.S. patent no. 2064. Significance: One of only two known surviving "Whipple" bowstring truss bridges, and one of the few re... More

Fort Griffin Iron Truss Bridge, Spanning Clear Fork of Brazos River at County Route 188, Fort Griffin, Shackelford County, TX

Fort Griffin Iron Truss Bridge, Spanning Clear Fork of Brazos River at...

Significance: The Fort Griffin Iron Truss Bridge is the oldest functioning bridge in Shackelford County, Texas, and one of the state's oldest remaining trusses. It is also the last remaining pin-connected Prat... More

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at State Route 73, Portsmouth, Scioto County, OH

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at Sta...

Significance: This bridge was for many years the only highway bridge across the Scioto River in Scioto County. It thus provided a vital road link in addition to crating a bridge for the Portsmouth Street Railw... More

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at State Route 73, Portsmouth, Scioto County, OH

Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at Sta...

Significance: This bridge was for many years the only highway bridge across the Scioto River in Scioto County. It thus provided a vital road link in addition to crating a bridge for the Portsmouth Street Railw... More

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning South Branch of Raritan River, Neshanic Station, Somerset County, NJ

Neshanic Station Lenticular Truss Bridge, State Route 567, spanning So...

Significance: Neshanic Station Lenticular Truss Bridge is significant because it was built by a prominent 19th century bridge building company; the lenticular truss, of which it is an example, is an unusual tru... More

Fosnaugh Truss Leg Bedstead Bridge, Spanning Scippo Creek at Township Route 128, Stoutsville, Fairfield County, OH

Fosnaugh Truss Leg Bedstead Bridge, Spanning Scippo Creek at Township ...

Significance: The Fosnaugh Truss leg Bedstead Bridge was built by the Hocking Valley Bridge Works (HVBW) of Lancaster, Ohio in 1891. HVBW was a small firm founded by Augustus Borneman in 1881. This bridge is ... More

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Altavista, Campbell County, Virginia

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Alta...

Significance: The Mansion Truss Bridge is a representative example of a pin-connected steel Camelback truss, supported by concrete-filled steel cylinder piers. The truss and piers are typical of late nineteent... More

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Altavista, Campbell County, Virginia

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Alta...

Significance: The Mansion Truss Bridge is a representative example of a pin-connected steel Camelback truss, supported by concrete-filled steel cylinder piers. The truss and piers are typical of late nineteent... More

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Altavista, Campbell County, Virginia

Mansion Truss Bridge, Spanning Staunton River at State Route 640, Alta...

Significance: The Mansion Truss Bridge is a representative example of a pin-connected steel Camelback truss, supported by concrete-filled steel cylinder piers. The truss and piers are typical of late nineteent... More

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