Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Steel Pier, Boardwalk at Virginia Avenue, Atlantic City, Atlantic Coun...
Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.
Steel Pier, Boardwalk at Virginia Avenue, Atlantic City, Atlantic Coun...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
Fairmount Waterworks, Aquarium Drive, Philadelphia, Philadelphia Count...
See also HAER PA-51 for additional documentation. Survey number: HABS PA-1654 Building/structure dates: 1814-1815 Initial Construction Building/structure dates: 1821-1822 Subsequent Work Building/structure d... More
Hart County Bridge, State Route 181, spanning Savannah River, Hartwell...
Significance: The Hart County Bridge is a steel pin-connected Camelback truss bridge, composed of three identical camelback trusses and four flat spans. While the camelback truss is not an unusual configuratio... More
Grasmere Avenue Bridge, Spanning Railroad at Grasmere Avenue, Fairfiel...
Survey number: HAER CT-15 Public domain photograph of electric wires, power line, free to use, no copyright restrictions image - Picryl description
St. Mary River Bridge & Siphon, Spanning St. Mary River, Babb, Glacier...
Significance: The Reclamation Act of 1902 authorized the U.S. Reclamation Service of the Department of the Interior to undertake numerous irrigation projects to make arid land farmable. One of those projects in... More
St. Mary River Bridge & Siphon, Spanning St. Mary River, Babb, Glacier...
Significance: The Reclamation Act of 1902 authorized the U.S. Reclamation Service of the Department of the Interior to undertake numerous irrigation projects to make arid land farmable. One of those projects in... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Swann Bridge, Spanning Locust Fork of Black Warrior River, Swann Bridg...
Significance: Swann Bridge is one of three surviving covered bridges in Blount County, Alabama, one of the last strongholds of covered bridge building in the United States. Survey number: HAER AL-201 Building... More
Swann Bridge, Spanning Locust Fork of Black Warrior River, Swann Bridg...
Significance: Swann Bridge is one of three surviving covered bridges in Blount County, Alabama, one of the last strongholds of covered bridge building in the United States. Survey number: HAER AL-201 Building... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Tenth Street Bridge, Spanning Missouri River, Great Falls, Cascade Cou...
Public domain photograph of construction architecture design, diagram, free to use, no copyright restrictions image - Picryl description
Grace Memorial Bridge, U.S. Highway 17 spanning Cooper River & Town Cr...
Significance: At 1.9 miles long, the bridge is one of the major river crossings in the American South and the largest steel truss bridge in South Carolina. At the time of its construction, it was the fifth lon... More
Grace Memorial Bridge, U.S. Highway 17 spanning Cooper River & Town Cr...
Significance: At 1.9 miles long, the bridge is one of the major river crossings in the American South and the largest steel truss bridge in South Carolina. At the time of its construction, it was the fifth lon... More
Grace Memorial Bridge, U.S. Highway 17 spanning Cooper River & Town Cr...
Significance: At 1.9 miles long, the bridge is one of the major river crossings in the American South and the largest steel truss bridge in South Carolina. At the time of its construction, it was the fifth lon... More
Grace Memorial Bridge, U.S. Highway 17 spanning Cooper River & Town Cr...
Significance: At 1.9 miles long, the bridge is one of the major river crossings in the American South and the largest steel truss bridge in South Carolina. At the time of its construction, it was the fifth lon... More
Grace Memorial Bridge, U.S. Highway 17 spanning Cooper River & Town Cr...
Significance: At 1.9 miles long, the bridge is one of the major river crossings in the American South and the largest steel truss bridge in South Carolina. At the time of its construction, it was the fifth lon... More
Benson Bridge, Spanning Cutler Reservoir, Benson, Cache County, UT
Significance: The Benson Bridge is a steel through Pratt truss bridge. It is one of only 53 remaining truss bridges in Utah and one of only three remaining pin connected truss bridges left in Utah. It is also... More
Bridge Street Bridge, Spanning Grand River, Michigan & Bridge Streets,...
Significance: The Bridge Street Bridge is a rare example of a reinforced concrete arch, earth-filled bridge, and one of great size, measuring 468 feet long overall. This bridge is the second largest known surv... More
Bridge Street Bridge, Spanning Grand River, Michigan & Bridge Streets,...
Significance: The Bridge Street Bridge is a rare example of a reinforced concrete arch, earth-filled bridge, and one of great size, measuring 468 feet long overall. This bridge is the second largest known surv... More
Bridge Street Bridge, Spanning Grand River, Michigan & Bridge Streets,...
Significance: The Bridge Street Bridge is a rare example of a reinforced concrete arch, earth-filled bridge, and one of great size, measuring 468 feet long overall. This bridge is the second largest known surv... More
Four Mile Bridge, Spanning Arkansas River, Buena Vista, Chaffee County...
Survey number: HAER CO-35 Building/structure dates: 1909 Initial Construction
Osgood Bridge, Spanning Beebe River, Perch Pond Road, Campton Station,...
Significance: The bridge is one of 25 low Warren truss metal highway bridges extant in New Hampshire. Constructed in 1899, the bridge is one of the state's earliest examples of short-span highway bridges employ... More
Osgood Bridge, Spanning Beebe River, Perch Pond Road, Campton Station,...
Significance: The bridge is one of 25 low Warren truss metal highway bridges extant in New Hampshire. Constructed in 1899, the bridge is one of the state's earliest examples of short-span highway bridges employ... More
McPherson Bridge, Spanning Candies Creek at County Road A165, Eureka, ...
Significance: Most features of the bridge are representative of truss bridges. The vertical members are paired angles with double lacing. The counters and diagonals are I-bars or tie-rods. The top chords and en... More
McPherson Bridge, Spanning Candies Creek at County Road A165, Eureka, ...
Significance: Most features of the bridge are representative of truss bridges. The vertical members are paired angles with double lacing. The counters and diagonals are I-bars or tie-rods. The top chords and en... More
Lime Kiln Road Bridge, Spanning Shoal Creek, Neosho, Newton County, MO
Significance: The truss span was fabricated by The King Iron Bridge Company of Cleveland, Ohio. Original usage was for railway traffic. It was at some time relocated and modified to permit vehicular usage. S... More
Indian Ford Bridge, London Mills, Fulton County, IL
Public domain photograph - historical image of Illinois, United States, free to use, no copyright restrictions image - Picryl description
Beachside Avenue Bridge, Westport, Fairfield County, CT
Significance: Primarily one of local significance. This bridge is a Warren-Pony Truss and is one of several in the area of Fairfield County. Survey number: HAER CT-5 Building/structure dates: 1891 Initial Co... More
San Roque Canyon Bridge, State Highway 192, Santa Barbara, Santa Barba...
Significance: San Roque Canyon Bridge is significant because of the commitment to concrete prevalent in California, the plate girder arch, as a type, is relatively rare. There are only two known in the State a... More
Springdale Bridge, Federal Aid Secondary Route 563, Springdale, Park C...
Significance: The bridge is significant for its associations with the development of transportation systems to accommodate settlement and tourism in the early 20th century; and as an example of the work of the ... More
86th Street Overpass, Spanning Interstate 35 & 80 at Northwest Eighty-...
Significance: Built as part of the earliest construction on America's interstate highway system, the 86th Street Overpass represents a formative exercise in welded aluminum construction. It was designed by not... More
86th Street Overpass, Spanning Interstate 35 & 80 at Northwest Eighty-...
Significance: Built as part of the earliest construction on America's interstate highway system, the 86th Street Overpass represents a formative exercise in welded aluminum construction. It was designed by not... More
Poinsett Bridge, SC Route 42, 2 miles Northwest of Route 11, 2.5 miles...
Significance: The bridge was completed in 1820 by the South Carolina Board of Public Works as part of the old state road, laid out by Joel Poinsett from 1817-1819 while he was director of public works, which ra... More
Poinsett Bridge, SC Route 42, 2 miles Northwest of Route 11, 2.5 miles...
Significance: The bridge was completed in 1820 by the South Carolina Board of Public Works as part of the old state road, laid out by Joel Poinsett from 1817-1819 while he was director of public works, which ra... More
Poinsett Bridge, SC Route 42, 2 miles Northwest of Route 11, 2.5 miles...
Significance: The bridge was completed in 1820 by the South Carolina Board of Public Works as part of the old state road, laid out by Joel Poinsett from 1817-1819 while he was director of public works, which ra... More
Poinsett Bridge, SC Route 42, 2 miles Northwest of Route 11, 2.5 miles...
Significance: The bridge was completed in 1820 by the South Carolina Board of Public Works as part of the old state road, laid out by Joel Poinsett from 1817-1819 while he was director of public works, which ra... More
Tongue River Bridge, Spanning Tongue River, Miles City, Custer County,...
Significance: The bridge was erected in 1897 by W.S. Hewett & Co. of Minneapolis, Minnesota. The bridge is the oldest existing steel highway bridge in eastern Montana and its main span is similar to the main sp... More
Tongue River Bridge, Spanning Tongue River, Miles City, Custer County,...
Significance: The bridge was erected in 1897 by W.S. Hewett & Co. of Minneapolis, Minnesota. The bridge is the oldest existing steel highway bridge in eastern Montana and its main span is similar to the main sp... More
Murtaugh Bridge, Murtaugh, Twin Falls County, ID
Significance: This Pratt truss bridge was constructed in the early years of the twentieth century to provide north-south access across the Snake River. The need for River crossings increased as development of ... More
Murtaugh Bridge, Murtaugh, Twin Falls County, ID
Significance: This Pratt truss bridge was constructed in the early years of the twentieth century to provide north-south access across the Snake River. The need for River crossings increased as development of ... More
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 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 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 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
Sock Road Bridge, Spanning Beaver Dam River, Lowell, Dodge County, WI
Significance: One of the oldest metal truss bridges in the state, it may have been one of the earliest truss spans manufactured by the E. Kunert Manufacturing Company (1888-1915) of Watertown, Wisconsin. Offer... More
Sock Road Bridge, Spanning Beaver Dam River, Lowell, Dodge County, WI
Significance: One of the oldest metal truss bridges in the state, it may have been one of the earliest truss spans manufactured by the E. Kunert Manufacturing Company (1888-1915) of Watertown, Wisconsin. Offer... More
Lake Champlain Bridge, New York Route 185/Vermont Route 17 spanning La...
Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Lake Champlain Bridge, New York Route 185/Vermont Route 17 spanning La...
Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Twentieth Street Viaduct, Spans Platte River Valley between Thirty-thi...
See also Union Pacific Railroad Warehouse, HABS No. CO-128 Significance: It is the longest of Denver's viaducts. Its length grew from the need to cross not only the Platte River but also Denver's extensive rail... More
Mitchell-Griggs Road Bridge, Spannning Caney Fork on Mitchell-Griggs R...
Significance: The Mitchell-Griggs Road Bridge is an early riveted Warren pony truss, built on a slight skew. Survey number: HAER KY-6 Building/structure dates: 1925 Initial Construction Building/structure da... More
San Antonio Creek Bridge, State Highway 1, Lompoc, Santa Barbara Count...
Significance: The bridge is considered significant as it appears to be a singular entity. This is based on Criterion C, representing a type (reinforced concrete through girder), period (early twentieth century... More
Puente de los Frailes, Spanning Frailes Creek, PR Route 873, KM 18.85,...
Survey number: HAER PR-29 Public domain photograph - historic landmark, free to use, no copyright restrictions image - Picryl description
Newsom's Mill Bridge, Spanning Harpeth River, Newsom's Station Road, N...
Significance: The bridge is significant for its role in local industry and railroading. The bridge derives additional significance as a representative example of the pony Warren truss type for its association w... More
Newsom's Mill Bridge, Spanning Harpeth River, Newsom's Station Road, N...
Significance: The bridge is significant for its role in local industry and railroading. The bridge derives additional significance as a representative example of the pony Warren truss type for its association w... More
Petrieville Road Bridge, Spanning Grand River, Petrieville, Eaton Coun...
Significance: The Petrieville Road Bridge is one of two remaining multi-span, riveted connection, Warren pony truss bridges in Michigan. Survey number: HAER MI-14
Spruce Street Bridge, East Spruce Street, 500 Block, spanning Power Ca...
Significance: The bridge is typical of the eye-bar truss construction used extensively at the beginning of the twentieth century. This design provided a flat deck suspended from the camel-back arch. Both vert... More
Court Street Bridge, Court Street spanning Blackstone River & Truman D...
Significance: The Court Street Bridge is a rare example of a late 19th century steel deck truss. The bridge embodies the following distinctive characteristics of the period: Pratt design, fabrication by an ind... More
Court Street Bridge, Court Street spanning Blackstone River & Truman D...
Significance: The Court Street Bridge is a rare example of a late 19th century steel deck truss. The bridge embodies the following distinctive characteristics of the period: Pratt design, fabrication by an ind... More
Court Street Bridge, Court Street spanning Blackstone River & Truman D...
Significance: The Court Street Bridge is a rare example of a late 19th century steel deck truss. The bridge embodies the following distinctive characteristics of the period: Pratt design, fabrication by an ind... More
Summer Street Retractile Bridge, Spanning Fort Point Channel at Summer...
Significance: The Summer St. bridge is a rare movable type of bridge known as a retractile draw, in which the moving span is pulled diagonally away from the navigable channel on several sets of rails. Only fou... More
Broad River Highway Bridge, State Route 72, spanning Broad River, Carl...
Significance: The Broad River Highway Bridge is an open spandrel concrete arch bridge built in 1935. The bridge is composed of three open spandrel concrete arches measuring 151' each and two other spans. The ... More
Broad River Highway Bridge, State Route 72, spanning Broad River, Carl...
Significance: The Broad River Highway Bridge is an open spandrel concrete arch bridge built in 1935. The bridge is composed of three open spandrel concrete arches measuring 151' each and two other spans. The ... More
Broad River Highway Bridge, State Route 72, spanning Broad River, Carl...
Significance: The Broad River Highway Bridge is an open spandrel concrete arch bridge built in 1935. The bridge is composed of three open spandrel concrete arches measuring 151' each and two other spans. The ... More
Paragon Bridge, Spanning Yellowstone River, Miles City, Custer County,...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Paragon Bridge, Spanning Yellowstone River, Miles City, Custer County,...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Patch Street Bridge, Spanning Kohanza Brook on Patch Street, Danbury, ...
Significance: The single arch stone Patch Street Bridge was a typical example of an increasingly rare class of municipally-built structure in Connecticut, and was the best preserved and perhaps most unusual suc... More
Maurice River Pratt Through-Truss Swing Bridge, Spanning Maurice River...
Public domain photograph - New Jersey, United States, free to use, no copyright restrictions image - Picryl description
Commercial Street Bridge, Spanning Purgatoire River on Commercial Stre...
Significance: After the turn of the century, the preferred alternative to the steel truss for short-span vehicular bridges was generally considered to the concrete arch. More solid under traffic and better resi... More
Delaware & Raritan Canal, Locktender's House, North of Hamilton, East ...
Significance: Housed lock tender and family. The lock tender was responsible for operation, inspection, and general maintenance of Lock #13 of the Delaware and Raritan Canal. Survey number: HAER NJ-60-B Buil... More
Delaware & Raritan Canal, Locktender's House, North of Hamilton, East ...
Significance: Housed lock tender and family. The lock tender was responsible for operation, inspection, and general maintenance of Lock #13 of the Delaware and Raritan Canal. Survey number: HAER NJ-60-B Buil... More
Delaware & Hudson Canal, Delaware Aqueduct, Spanning Delaware River, L...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Delaware & Hudson Canal, Delaware Aqueduct, Spanning Delaware River, L...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Delaware & Hudson Canal, Delaware Aqueduct, Spanning Delaware River, L...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Delaware & Hudson Canal, Delaware Aqueduct, Spanning Delaware River, L...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Delaware & Hudson Canal, Delaware Aqueduct, Spanning Delaware River, L...
Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Historic Columbia River Highway, West Multnomah Falls Viaduct, West of...
Significance: This 400' half-viaduct was an engineer's solution to aligning the Historic Columbia River Highway between a steep unstable slope and the Oregon Washington Railroad and Navigation Company main line... More
Smith Bridge, Spanning Nottely River on Dooley Road (County Road 83), ...
Significance: The Smith Bridge is a steel pin-connected Pratt through truss. It is 116' in length and 12'3" in width. The bridge was constructed c. 1915-18 probably by the Champion Bridge Company, due to the ... More
Hemlock Bridge, Spanning Black River on Warner Drive, Greenwood, Clark...
Significance: The Hemlock Bridge is one of six Pennsylvania truss bridges in Wisconsin. It is an example of the early design and practice of the Wisconsin State Highway Commission and of the construction work ... More
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
Suger Creek Bridge, Spanning Suger Creek, Hopkinsville, Christian Coun...
Significance: Oldest dated bedpost pony truss in Kentucky. The only example in the State built by the Groton Bridge Company of New York. Survey number: HAER KY-7 Building/structure dates: 1894 Initial Construction
Kinsey Bridge, Spanning Yellowstone River, Miles City, Custer County, ...
Significance: In 1907-08 a new transcontinental railroad was built throughout Montana. The railroad, the Chicago, Milwaukee, St. Paul & Pacific, runs along the north bank of the Yellowstone for about 80 miles b... More
Sixteenth Street Bridge, Spanning Piney Branch Parkway, Washington, Di...
Significance: This bridge was the first parabolic arch constructed in the United States. Its concrete masonry, faced with sandstone and pebble aggregate, conforms with the model for park crossings established ... More
Old Croton Aqueduct, Indian Creek Culvert, Reservoir & Quaker Bridge R...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The culvert at Indian Creek is just one of several stand... More
Old Croton Aqueduct, Indian Creek Culvert, Reservoir & Quaker Bridge R...
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The culvert at Indian Creek is just one of several stand... More
Union Elevated Railroad, Randolph-Wells Street Station, Randall & Well...
Significance: Significant in the history of American industrial archaeology, the Union Loop Elevated is also important for its association with financier and traction magnate, Charles T. Yerkes and for its role... More
Philadelphia & Reading Railroad, Schuylkill River Viaduct, Spanning Sc...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
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 ...
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 ...
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
Gervais Street Bridge, Gervais Street spanning Congaree River, Columbi...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.