Revetment work on the Missouri River, the grader, Cambridge, Mo.
Public domain photograph - historical image of Missouri, United States, free to use, no copyright restrictions image - Picryl description
Hotchkiss Bridge, Spanning North Fork River on County Road 3400, Hotch...
Significance: Erected using steel components rolled by the Lackawanna Steel Company, the Hotchkiss Bridge was a locally important crossing of the North Fork River. Built by Colorado's most prolific bridge contr... More
Choate Bridge, Spanning Ipswich River at South Main Street, Ipswich, E...
Significance: The Choate Bridge is an example of early stone construction in the history of American road building. The Essex County Court voted in December, 1764 to name the bridge in honor of Col. John Choat... More
Cincinnati Suspension Bridge, Spanning Ohio River, Cincinnati, Hamilto...
See also HAER No. KY-20, Covington & Cincinnati Suspension Bridge, for additional documentation. Significance: At the time of its completion in 1866, the Cincinnati Suspension Bridge was the longest suspension ... More
Dentville Road Bridge, Spanning Hiawassee River on Dentville Road, Ben...
Significance: The bridge is a representative example of both the through Parker and Pratt trusses. It is also significant due to its local historical associations and its association with the Joliet Bridge and ... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
Dentville Road Bridge, Spanning Hiawassee River on Dentville Road, Ben...
Significance: The bridge is a representative example of both the through Parker and Pratt trusses. It is also significant due to its local historical associations and its association with the Joliet Bridge and ... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Fran...
Significance: The San Francisco-Oakland Bay Bridge is one of the most impressive engineering structures in the United States. It is also one of the most important transportation links in the United States, ser... More
Erie Railway, Meadville Station, West side of McHenry Street at West e...
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
London Mills Bridge, Spanning Spoon River, London Mills, Fulton County...
Significance: The London Mills Bridge is a through pratt truss constructed by King Iron & Bridge Co. of Cleveland, Ohio. Unprocessed Field note material exists for this structure: FN-4 Survey number: HAER IL-... More
London Mills Bridge, Spanning Spoon River, London Mills, Fulton County...
Significance: The London Mills Bridge is a through pratt truss constructed by King Iron & Bridge Co. of Cleveland, Ohio. Unprocessed Field note material exists for this structure: FN-4 Survey number: HAER IL-... More
London Mills Bridge, Spanning Spoon River, London Mills, Fulton County...
Significance: The London Mills Bridge is a through pratt truss constructed by King Iron & Bridge Co. of Cleveland, Ohio. Unprocessed Field note material exists for this structure: FN-4 Survey number: HAER IL-... More
Promenade Street Bridge, Spanning Woonasquatucket & Moshassuck Rivers,...
Significance: The bridge is historically significant as part of the station and East Side Tunnel viaduct which contributed to the regional rail transportation network. Unique construction techniques make the s... More
Promenade Street Bridge, Spanning Woonasquatucket & Moshassuck Rivers,...
Significance: The bridge is historically significant as part of the station and East Side Tunnel viaduct which contributed to the regional rail transportation network. Unique construction techniques make the s... More
Memorial Avenue Bridge, Spanning Lycoming Creek, Williamsport, Lycomin...
Significance: The Memorial Avenue Bridge is significant for its architectural and engineering features. Important original items that contribute to the bridge's integrity are the plaque, the latticed sidewalk ... More
Memorial Avenue Bridge, Spanning Lycoming Creek, Williamsport, Lycomin...
Significance: The Memorial Avenue Bridge is significant for its architectural and engineering features. Important original items that contribute to the bridge's integrity are the plaque, the latticed sidewalk ... More
Tifton Bridge, U.S. Route 82/State Route 50 over Seaboard Coastline Ra...
Significance: The Tifton Bridge is one of 10 camelback bridges identified in the state, only 7 of which are pin-connected, and only 2 of which are in the southern portion of the state. The camelback truss of t... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Central Railroad of New Jersey, Newark Bay Lift Bridge, Spanning Newar...
Significance: The Newark Bay Bridge was constructed near the end of J.A.L. Waddell's career. He was an early proponent of the vertical lift bridge, designing and building his first in 1892. Waddell's landmark... More
Nisqually Glacier Bridge, Spanning Nisqually River at Nisqually Road, ...
Significance: The first bridge on the site was distinguished for its construction at the snout of the Nisqually Glacier; this made the Nisqually Road "the first road in America to reach a glacier." However, th... More
New Portland Suspension Bridge, Spanning Carrabasset River, New Portla...
Significance: The New Portland (Wire) Bridge is the only early American suspension bridge that remains basically unaltered, aside from John A. Roebling's Delaware Aqueduct. It is also the only extant example of... More
New Portland Suspension Bridge, Spanning Carrabasset River, New Portla...
Significance: The New Portland (Wire) Bridge is the only early American suspension bridge that remains basically unaltered, aside from John A. Roebling's Delaware Aqueduct. It is also the only extant example of... More
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...
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...
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
Alcovy Road Bridge, Spanning Alcovy River, Covington, Newton County, G...
Significance: The Alcovy Road Bridge is composed of two steel bolt connected Warren pony trusses with verticals and one pin-connected Pratt through truss. The overall length of the bridge is 225 feet. The bri... More
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 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
Starnes Bridge, Spanning Eagle Creek, Holbrook, Grant County, KY
Significance: The Starnes Bridge is a rare surviving example of bridge technology representing the pin-connected Pennsylvania truss elements. Survey number: HAER KY-3 Building/structure dates: 1890 Initial Co... More
Lehigh Valley Railroad, Sayre Station, East side of Lehigh Avenue betw...
Survey number: HAER PA-32 Building/structure dates: 1881 Initial Construction
Scotts Bluff Summit Road, Gering, Scotts Bluff County, NE
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Scotts Bluff Summit Road, Gering, Scotts Bluff County, NE
Public domain photograph - historic landmark, free to use, no copyright restrictions image - Picryl description
Scotts Bluff Summit Road, Gering, Scotts Bluff County, NE
Public domain scan of American poster, United States, free to use, no copyright restrictions image - Picryl description
Dowhait's Bridge, Bartow County Road 343, spanning Etowah River, Carte...
Significance: Dowhait's Bridge is a 264-foot steel, pin-connected Pratt through truss, composed of two spans. The bridge is one of 38 Pratt through trusses recorded in the Georgia Historic Bridge Survey. It i... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
Coldwater Bridge, Spanning Coldwater Creek on Old Railroad Bed Road, F...
Significance: The bridge derives its significance as an unusual example of the pony Warren truss type. The bridge also possesses historical significance in Lincoln County transportation (railroad) history. Sur... More
West Knight Street Bridge, Spanning Spring Brook (west of Knight Stree...
Significance: The West Knight Street Bridge is one of only two known highway bridges built in Michigan by Canton Bridge Company, Canton, Ohio, one of the nation's leading bridge building firms and a pioneer in ... More
West Knight Street Bridge, Spanning Spring Brook (west of Knight Stree...
Significance: The West Knight Street Bridge is one of only two known highway bridges built in Michigan by Canton Bridge Company, Canton, Ohio, one of the nation's leading bridge building firms and a pioneer in ... More
West Knight Street Bridge, Spanning Spring Brook (west of Knight Stree...
Significance: The West Knight Street Bridge is one of only two known highway bridges built in Michigan by Canton Bridge Company, Canton, Ohio, one of the nation's leading bridge building firms and a pioneer in ... More
West Knight Street Bridge, Spanning Spring Brook (west of Knight Stree...
Significance: The West Knight Street Bridge is one of only two known highway bridges built in Michigan by Canton Bridge Company, Canton, Ohio, one of the nation's leading bridge building firms and a pioneer in ... More
Pacheco Creek Bridge, San Felipe Road ,spanning Pacheco Creek, San Fel...
Significance: The Pacheco Creek Bridge is one of only three extant truss bridges in Santa Clara County and is the sole remaining truss bridge in San Benito County. Representing a type, period and method of con... More
Pacheco Creek Bridge, San Felipe Road ,spanning Pacheco Creek, San Fel...
Significance: The Pacheco Creek Bridge is one of only three extant truss bridges in Santa Clara County and is the sole remaining truss bridge in San Benito County. Representing a type, period and method of con... More
Lake Street Bridge, Spanning Ruddiman Creek at Lake Shore Drive, Muske...
Significance: The Lake Street stone arch vehicular bridge in Muskegon, Michigan, is significant because it is representative of a brief period in the evolution in design of American bridges. Relatively few sto... More
Lake Street Bridge, Spanning Ruddiman Creek at Lake Shore Drive, Muske...
Significance: The Lake Street stone arch vehicular bridge in Muskegon, Michigan, is significant because it is representative of a brief period in the evolution in design of American bridges. Relatively few sto... More
Lake Street Bridge, Spanning Ruddiman Creek at Lake Shore Drive, Muske...
Significance: The Lake Street stone arch vehicular bridge in Muskegon, Michigan, is significant because it is representative of a brief period in the evolution in design of American bridges. Relatively few sto... More
Grove Street Bridge, Grove Street, spanning Railroad tracks, Montclair...
Significance: Constructed of reinforced concrete, the Grove Street Bridge is part of an early twentieth century commuter railroad complex. It was designed and built under the supervision of George J. Ray, chie... More
Henefer Bridge, Spanning Weber River at Center Street, Henefer, Summit...
Significance: The Henefer Bridge is a single-span pony truss bridge constructed in 1907-1908. The bridge is one of the few, if not the only, example of a pony truss with pinned connections built in the State o... More
Delta Bridge, Spanning Gunnison River on U.S. 50, Delta, Delta County,...
Significance: It is a multi-span of the riveted Parker type. It is significant as unusual multi-span example of a common highway bridge type. Historically this bridge is significant as a regionally important cr... More
Delta Bridge, Spanning Gunnison River on U.S. 50, Delta, Delta County,...
Significance: It is a multi-span of the riveted Parker type. It is significant as unusual multi-span example of a common highway bridge type. Historically this bridge is significant as a regionally important cr... More
Delta Bridge, Spanning Gunnison River on U.S. 50, Delta, Delta County,...
Significance: It is a multi-span of the riveted Parker type. It is significant as unusual multi-span example of a common highway bridge type. Historically this bridge is significant as a regionally important cr... More
William's Bend Bridge, Spanning Pomme de Terre River, Hermitage, Hicko...
Survey number: HAER MO-20 Public domain photograph - historical image of Missouri, United States, free to use, no copyright restrictions image - Picryl description
Fort Keogh Bridge, Spanning Yellowstone River, Miles City, Custer Coun...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Fort Keogh Bridge, Spanning Yellowstone River, Miles City, Custer Coun...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Fort Keogh Bridge, Spanning Yellowstone River, Miles City, Custer Coun...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Northeast Railroad Corridor, Amtrak Route between Pennsylvania/New Jer...
Survey number: HAER NJ-40 Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
Buena Vista Ford Bridge, Spanning Round Lick Creek on McClanahan Road,...
Significance: The bridge is significant for its unusually long length for a Pony Pratt truss and for its "fish-bellied" bottom chords. The bridge also derives significance from its association with W.T. Young B... More
Erie Railway, Bergen Hill Open Cut, Palisade Avenue to Tonnele Avenue,...
Unprocessed Field note material exists for this structure: N1374 Survey number: HAER NJ-22
Erie Railway, Bergen Hill Open Cut, Palisade Avenue to Tonnele Avenue,...
Unprocessed Field note material exists for this structure: N1374 Survey number: HAER NJ-22
Boulevard Bridge, Spanning Wagner Creek at Old Dechard-Winchester Road...
Significance: The bridge is a representative, yet attractive, example of a through Pratt steel truss. The most unique and significant feature of the bridge is its unusual skewed portal treatrment. Survey numbe... More
Boulevard Bridge, Spanning Wagner Creek at Old Dechard-Winchester Road...
Significance: The bridge is a representative, yet attractive, example of a through Pratt steel truss. The most unique and significant feature of the bridge is its unusual skewed portal treatrment. Survey numbe... More
Boulevard Bridge, Spanning Wagner Creek at Old Dechard-Winchester Road...
Significance: The bridge is a representative, yet attractive, example of a through Pratt steel truss. The most unique and significant feature of the bridge is its unusual skewed portal treatrment. Survey numbe... More
Gordon County Road 220 Bridge, Spanning Pine Log Creek on County Road ...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Gordon County Road 220 Bridge, Spanning Pine Log Creek on County Road ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Gordon County Road 220 Bridge, Spanning Pine Log Creek on County Road ...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Roberts Bluff Bridge, .5 mile East of Blackwater, Blackwater, Cooper C...
Significance: The Roberts Bluff Bridge constructed by A.M. Blodgett of Kansas City, Missouri represents a well preserved example of the rapidly disappearing Parker through truss bridge form in the Midwest regio... More
Smith-McGee Bridge, Georgia Route 181, Hartwell, Hart County, GA
Significance: The Smith-McGee Bridge is a three-span, pin-connected Camelback through truss bridge with approach ramps. It was built in 1922 as a toll bridge across the Savannah River. It was acquired in 1926... More
Smith-McGee Bridge, Georgia Route 181, Hartwell, Hart County, GA
Significance: The Smith-McGee Bridge is a three-span, pin-connected Camelback through truss bridge with approach ramps. It was built in 1922 as a toll bridge across the Savannah River. It was acquired in 1926... More
Smith-McGee Bridge, Georgia Route 181, Hartwell, Hart County, GA
Significance: The Smith-McGee Bridge is a three-span, pin-connected Camelback through truss bridge with approach ramps. It was built in 1922 as a toll bridge across the Savannah River. It was acquired in 1926... More
New York, New Haven & Hartford Railroad, Niantic Bridge, Spanning Nian...
Significance: The Niantic Bridge is a through girder bridge and consists of a movable span and four approach spans on stone masonry piers. The movable span is a chain-driven Scherzer rolling lift bascule span ... More
New York, New Haven & Hartford Railroad, Niantic Bridge, Spanning Nian...
Significance: The Niantic Bridge is a through girder bridge and consists of a movable span and four approach spans on stone masonry piers. The movable span is a chain-driven Scherzer rolling lift bascule span ... More
New York, New Haven & Hartford Railroad, Niantic Bridge, Spanning Nian...
Significance: The Niantic Bridge is a through girder bridge and consists of a movable span and four approach spans on stone masonry piers. The movable span is a chain-driven Scherzer rolling lift bascule span ... More
Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, ...
Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped... More
Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, ...
Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped... More
Memphis Bridge, Spanning Mississippi River, Memphis, Shelby County, TN
See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It... More
Memphis Bridge, Spanning Mississippi River, Memphis, Shelby County, TN
See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It... More
Old Steel Bridge, Spanning Flathead River on Steel Bridge Road, Kalisp...
Significance: The Flathead River Bridge was the first large steel bridge constructed in northwestern Montana. As with many other late 19th century bridges, it replaces an earlier ferry operation. When complet... More
Old Steel Bridge, Spanning Flathead River on Steel Bridge Road, Kalisp...
Significance: The Flathead River Bridge was the first large steel bridge constructed in northwestern Montana. As with many other late 19th century bridges, it replaces an earlier ferry operation. When complet... More
Old Steel Bridge, Spanning Flathead River on Steel Bridge Road, Kalisp...
Significance: The Flathead River Bridge was the first large steel bridge constructed in northwestern Montana. As with many other late 19th century bridges, it replaces an earlier ferry operation. When complet... More
Blackwell Bridge, Heardmont Vicinity, County Road 244, Heardmont, Elbe...
Significance: The Blackwell Bridge, a single-span, pin-connected Pratt through truss, is the largest remaining steel truss bridge in Elbert County. It was fabricated and erected by the Austin Brothers Bridge C... More
Old Croton Aqueduct, Sing Sing Kill Bridge, Spanning Aqueduct Street &...
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 Sing Sing Kill Bridge, as designed, consists of a lo... More
Middle Bridge, Spanning Osage River, Warsaw, Benton County, MO
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Old Croton Aqueduct, Mill River Waste Weir, U.S. Route 9 at Sleepy Hol...
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 waste weir formed an integral part of the aqueduct s... More
Path Transit System Bridge, Spanning Hackensack River, Kearny, Hudson ...
Significance: This structure is one of a series of bridges constructed in the early twentieth century to carry railroad lines through northern New Jersey towards New York City. It is a skewed vertical lift bri... More
Power Flume No. 1, Tacoma, La Plata County, CO
Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More
Power Flume No. 1, Tacoma, La Plata County, CO
Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More
Zion-Mount Carmel Highway, Virgin River Bridge, Spanning North Fork of...
Significance: Although partially reconstructed in 1960, the Virgin River Bridge retains its structural integrity. Attractive and well-executed, the bridge is a three-span, 'I' beam structure, which was skillfu... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More
Twin Falls-Jerome Bridge, U.S. Highway 93 Spanning Snake River, Twin F...
Significance: The bridge was built by The Union Bridge Company of Portland, Oregon. It is a cantilever deck truss that rises 550 feet above the height of the River. At the time of construction it was reported... More