Kelley Crossing Bridge, Spanning Plum Creek at County Route 186, Lockh...
Biography of William Payson is included as addendum to original documentation. Significance: The Kelley Crossing Bridge is one of two lenticular trusses that survive in Caldwell County and one of a cluster of e... More
Kelley Crossing Bridge, Spanning Plum Creek at County Route 186, Lockh...
Biography of William Payson is included as addendum to original documentation. Significance: The Kelley Crossing Bridge is one of two lenticular trusses that survive in Caldwell County and one of a cluster of e... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Toelles Road Bridge, Spanning Quinnipiac River, Wallingford, New Haven...
Significance: Constructed by the Berlin Iron Bridge Company, one of Connecticut's most noted bridge builders, this structure represents one of the company's original bridge projects using steel. The bridge is ... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
South High Street Bridge, South High Street, spanning Little Juniata C...
Significance: The South High Street Bridge is one of four surviving lenticular truss bridges in the Commonwealth of Pennsylvania and one of fifty remaining in the United States. The truss derives its name from... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... 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
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Waterville Bridge, Spanning Swatara Creek at Appalachian Trail (moved ...
Significance: It is an example of a lenticular truss, so named because of the lens-like shape of its curved upper and lower chords. It is representative of the Berlin Iron Bridge Company's trademark bridge type... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Upper Bridge at Slate Run, Spanning Pine Creek at State Route 414, Sla...
See also HAER PA-478 for related documentation. Includes written data. Significance: The bridge is a lattice truss, and unusual truss type that was built in the U.S. from about 1857 to the 1890s. Riveting all t... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... 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
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Upper Bridge at Slate Run, Spanning Pine Creek at State Route 414, Sla...
See also HAER PA-478 for related documentation. Includes written data. Significance: The bridge is a lattice truss, and unusual truss type that was built in the U.S. from about 1857 to the 1890s. Riveting all t... More
Kelley Crossing Bridge, Spanning Plum Creek at County Route 186, Lockh...
Biography of William Payson is included as addendum to original documentation. Significance: The Kelley Crossing Bridge is one of two lenticular trusses that survive in Caldwell County and one of a cluster of e... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Toelles Road Bridge, Spanning Quinnipiac River, Wallingford, New Haven...
Significance: Constructed by the Berlin Iron Bridge Company, one of Connecticut's most noted bridge builders, this structure represents one of the company's original bridge projects using steel. The bridge is ... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Boardman's Lenticular Bridge, Spanning Housatonic River on Boardman's ...
Significance: 188 feet in length, in 1984 this bridge was the longest lenticular truss in the State. Aside from redecking, the bridge retains almost all of its historic integrity. It is scheduled for replacem... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... More
Lover's Leap Lenticular Bridge, Spanning Housatonic River on Pumpkin H...
Significance: The structure is 19 feet wide and 173 feet long. It is the most recently built lenticular through truss surviving in Connecticut, as of 1984. It has been replaced by a new bridge built several y... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... 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
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Waterville Bridge, Spanning Swatara Creek at Appalachian Trail (moved ...
Significance: It is an example of a lenticular truss, so named because of the lens-like shape of its curved upper and lower chords. It is representative of the Berlin Iron Bridge Company's trademark bridge type... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... More
Lover's Leap Lenticular Bridge, Spanning Housatonic River on Pumpkin H...
Significance: The structure is 19 feet wide and 173 feet long. It is the most recently built lenticular through truss surviving in Connecticut, as of 1984. It has been replaced by a new bridge built several y... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... 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
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Waterville Bridge, Spanning Swatara Creek at Appalachian Trail (moved ...
Significance: It is an example of a lenticular truss, so named because of the lens-like shape of its curved upper and lower chords. It is representative of the Berlin Iron Bridge Company's trademark bridge type... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Kelley Crossing Bridge, Spanning Plum Creek at County Route 186, Lockh...
Biography of William Payson is included as addendum to original documentation. Significance: The Kelley Crossing Bridge is one of two lenticular trusses that survive in Caldwell County and one of a cluster of e... More
Cemetery Road Bridge, Cemetery Road, spans Black Creek, 2 miles Southw...
Significance: The oldest know wrought iron truss, and the only surviving lenticular (parabolic) arch truss, bridge in Washington County, New York. A more detailed discussion of the lenticular truss and history... More
Cemetery Road Bridge, Cemetery Road, spans Black Creek, 2 miles Southw...
Significance: The oldest know wrought iron truss, and the only surviving lenticular (parabolic) arch truss, bridge in Washington County, New York. A more detailed discussion of the lenticular truss and history... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Toelles Road Bridge, Spanning Quinnipiac River, Wallingford, New Haven...
Significance: Constructed by the Berlin Iron Bridge Company, one of Connecticut's most noted bridge builders, this structure represents one of the company's original bridge projects using steel. The bridge is ... More
Toelles Road Bridge, Spanning Quinnipiac River, Wallingford, New Haven...
Significance: Constructed by the Berlin Iron Bridge Company, one of Connecticut's most noted bridge builders, this structure represents one of the company's original bridge projects using steel. The bridge is ... More
South High Street Bridge, South High Street, spanning Little Juniata C...
Significance: The South High Street Bridge is one of four surviving lenticular truss bridges in the Commonwealth of Pennsylvania and one of fifty remaining in the United States. The truss derives its name from... More
Ouaquaga Bridge, Dutchtown Road, spanning Susquehanna River, Ouaquaga,...
Significance: The only multiple span, through lenticular truss bridge still in use as a vehicular bridge in the State of New York. Unprocessed Field note material exists for this structure: FN-35 Survey numb... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... More
Landing Bridge, Spanning Raritan River at Landing Lane, New Brunswick,...
Significance: Landing Bridge is a representative example of late-nineteenth-century bridge design and construction, featuring Pratt trusses and riveted connections. The bridge was designed by George F. Blakely... 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
Pine Creek Bridge, River Road spanning Pine Creek, Jersey Shore, Lycom...
Significance: The Pine Creek Bridge is an outstanding example of a lenticular through truss. The lenticular, or parabolic, truss is a type developed during the mid-nineteenth century in Europe, but it enjoyed ... More
River Street Bridge, River Street, spanning Moosup River, Plainfield, ...
Significance: River Street Bridge is significant as a well-preserved, representative example of 19th-century bridge engineering; its patented lenticular design, pinned connections, and wrought-iron material are... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Sharon Station Road Bridge, Sharon Station Road spanning Webatuck Cree...
Significance: One of few surviving examples of the Berlin Iron Bridge Company's distinctive lenticular truss bridges. It is important locally because of its association with the Sharon Valley Industrial Comple... More
Waterville Bridge, Spanning Swatara Creek at Appalachian Trail (moved ...
Significance: It is an example of a lenticular truss, so named because of the lens-like shape of its curved upper and lower chords. It is representative of the Berlin Iron Bridge Company's trademark bridge type... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More