Spring Lake Bridge, Spanning Bob Barnes Branch at County Road No. 36D,...
Significance: This bridge is one of eight known masonry arch bridges identified in Arkansas. It is the only known bridge constructed under the authority of the United States Resettlement Administration in the ... 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
Maggie Creek Bridge, 11 miles west of Elko, Elko, Elko County, NV
Survey number: HAER NV-38 Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Otter Creek Cove Bridge & Causeway, Spanning Otter Creek Cove on Park ...
Significance: The triple-arched Otter Cove Causeway spans Otter Cove, connecting Otter Point with the Blackwoods section of the park. One of the most impressive structures along the Park Loop Motor Road, the c... More
Pennsylvania Railroad Improvements, Vandever Street & Baltimore & Ohio...
Significance: These improvements acted as a system to make Wilmington a central point along the New York to Washington rail corridor. In their appearance, construction and function, they typify the works of th... More
Bubble Pond Bridge, Spanning abandoned Motor Road on Bubble Pond Carri...
Significance: Although John D. Rockefeller, Jr., had sought to have a relatively formal bridge constructed over the park motor road at Bubble Pond, his plans for the structure were rejected by the National Park... More
Meriden Rock Creek Bridge, Spanning Rock Creek, Meriden, Jefferson Cou...
Significance: Wrought iron bowstring arch. Survey number: HAER KS-2 Building/structure dates: ca. 1870- ca. 1879 Initial Construction
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
Rainbow Arch Bridge, Spanning Sheyenne River at Main Street, East, Val...
Significance: It is the only bridge in North Dakota which was built according to a patented design. It is the only through-arch bridge in North Dakota. Survey number: HAER ND-14 Building/structure dates: 1925... More
Lake Park Brick Arch Bridge, Lake Park Drive (North entrance to Lake P...
Significance: The Lake Park Brick Arch Bridge is located in one of Milwaukee's early public parks designed by the notable Boston landscape architect, Frederick Law Olmsted. The span is Wisconsin's only remaini... More
Lake Park Brick Arch Bridge, Lake Park Drive (North entrance to Lake P...
Significance: The Lake Park Brick Arch Bridge is located in one of Milwaukee's early public parks designed by the notable Boston landscape architect, Frederick Law Olmsted. The span is Wisconsin's only remaini... More
Cedar Creek Bridge, Spanning Cedar Creek adjacent to State Highway 154...
Significance: The Cedar Creek Bridge is one of eight remaining masonry arch bridges in Arkansas, and is unique as the only one incorporating finished, rather than rusticated, stone. The bridge was constructed ... More
Dunlap's Creek Bridge, Spanning Dunlap's Creek, Brownsville, Fayette C...
Significance: The present Dunlap's Creek Bridge is the fourth known structure at this site. The use of an innovative and unusual technological advance, cast iron for a bridge structure, may be predicated by th... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Erie Railway, Delaware Division, Culvert 190.21, Spanning Canawacta Cr...
Survey number: HAER PA-17 Building/structure dates: 1930 Initial Construction
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
Spring Lake Bridge, Spanning Bob Barnes Branch at County Road No. 36D,...
Significance: This bridge is one of eight known masonry arch bridges identified in Arkansas. It is the only known bridge constructed under the authority of the United States Resettlement Administration in the ... More
Mulladay Hollow Bridge, Spanning Mulladay Hollow Creek at County Road ...
Significance: The Mulladay Hollow Bridge is one of eight known masonry arch bridges in Arkansas. It was constructed as part of the Leatherwood Lake Recreation Project, that also included a massive stone dam cr... More
Milltown Bridge, Spanning Vache Grasse Creek tributary at County Road ...
Significance: This bridge is one of eight known masonry arch bridges in Arkansas. It survives as a significant example of WPA bridge construction in the state. Survey number: HAER AR-55 Building/structure da... 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
Stone Bridge, Spanning Bull Run, Manassas, Manassas, Virginia
Survey number: HAER VA-66 Public domain photograph of a bridge, arch over water, river, free to use, no copyright restrictions image - Picryl description
Otter Creek Cove Bridge & Causeway, Spanning Otter Creek Cove on Park ...
Significance: The triple-arched Otter Cove Causeway spans Otter Cove, connecting Otter Point with the Blackwoods section of the park. One of the most impressive structures along the Park Loop Motor Road, the c... More
Meriden Rock Creek Bridge, Spanning Rock Creek, Meriden, Jefferson Cou...
Significance: Wrought iron bowstring arch. Survey number: HAER KS-2 Building/structure dates: ca. 1870- ca. 1879 Initial Construction
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
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
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
Rainbow Arch Bridge, Spanning Sheyenne River at Main Street, East, Val...
Significance: It is the only bridge in North Dakota which was built according to a patented design. It is the only through-arch bridge in North Dakota. Survey number: HAER ND-14 Building/structure dates: 1925... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
Great Smoky Mountains National Park Roads & Bridges, Cades Cove Road &...
Significance: The transportation system of Great Smoky Mountains National Park is representative of NPS park road design and landscape planning throughout the country. Much of the conservation work was underta... More
East Cass Street Bridge, Spanning Kalamazoo River, Albion, Calhoun Cou...
Significance: The East Cass Street Bridge is a rare example of a stone arch highway bridge, a type seldom used in Michigan because of the availability of cheap timber. The structure is also uncommon because it... More
Spring Lake Bridge, Spanning Bob Barnes Branch at County Road No. 36D,...
Significance: This bridge is one of eight known masonry arch bridges identified in Arkansas. It is the only known bridge constructed under the authority of the United States Resettlement Administration in the ... 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
Maggie Creek Bridge, 11 miles west of Elko, Elko, Elko County, NV
Survey number: HAER NV-38 Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Stone Bridge, Spanning Bull Run, Manassas, Manassas, Virginia
Survey number: HAER VA-66 Public domain photograph - historical image of Virginia, United States, free to use, no copyright restrictions image - Picryl description
Meriden Rock Creek Bridge, Spanning Rock Creek, Meriden, Jefferson Cou...
Significance: Wrought iron bowstring arch. Survey number: HAER KS-2 Building/structure dates: ca. 1870- ca. 1879 Initial Construction
Meriden Rock Creek Bridge, Spanning Rock Creek, Meriden, Jefferson Cou...
Significance: Wrought iron bowstring arch. Survey number: HAER KS-2 Building/structure dates: ca. 1870- ca. 1879 Initial Construction
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
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
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
Rainbow Arch Bridge, Spanning Sheyenne River at Main Street, East, Val...
Significance: It is the only bridge in North Dakota which was built according to a patented design. It is the only through-arch bridge in North Dakota. Survey number: HAER ND-14 Building/structure dates: 1925... More
Rainbow Arch Bridge, Spanning Sheyenne River at Main Street, East, Val...
Significance: It is the only bridge in North Dakota which was built according to a patented design. It is the only through-arch bridge in North Dakota. Survey number: HAER ND-14 Building/structure dates: 1925... More
Logan Creek Bridge, Spanning Logan Creek at Going-to-the-Sun Road, Wes...
Significance: The Logan Creek Bridge is one of approximately seventeen prominent masonry and concrete structures on Going-to-the-Sun Road in Glacier National Park, and is one of the oldest existing bridges on t... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Great Smoky Mountains National Park Roads & Bridges, Little River Road...
Significance: Little River Road is an extremely prominent thoroughfare in Great Smoky Mountains National Park, second only to Newfound Gap Road. The transportation system in this park is representative of NPS ... More
Dunlap's Creek Bridge, Spanning Dunlap's Creek, Brownsville, Fayette C...
Significance: The present Dunlap's Creek Bridge is the fourth known structure at this site. The use of an innovative and unusual technological advance, cast iron for a bridge structure, may be predicated by th... More
Cope's Bridge, State Route 162, spanning Brandywine Creek (East Bradfo...
Significance: Fine example of an early stone arched bridge still in excellent condition. It is a popular subject for paintings and photographs. Survey number: HABS PA-206 Building/structure dates: 1805-1808 ... More
Cope's Bridge, State Route 162, spanning Brandywine Creek (East Bradfo...
Significance: Fine example of an early stone arched bridge still in excellent condition. It is a popular subject for paintings and photographs. Survey number: HABS PA-206 Building/structure dates: 1805-1808 ... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More
Dock Street Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess Cou...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that both complemented and heightened the beauty of the natural landscape.... More
East Cass Street Bridge, Spanning Kalamazoo River, Albion, Calhoun Cou...
Significance: The East Cass Street Bridge is a rare example of a stone arch highway bridge, a type seldom used in Michigan because of the availability of cheap timber. The structure is also uncommon because it... More
East Cass Street Bridge, Spanning Kalamazoo River, Albion, Calhoun Cou...
Significance: The East Cass Street Bridge is a rare example of a stone arch highway bridge, a type seldom used in Michigan because of the availability of cheap timber. The structure is also uncommon because it... More
East Cass Street Bridge, Spanning Kalamazoo River, Albion, Calhoun Cou...
Significance: The East Cass Street Bridge is a rare example of a stone arch highway bridge, a type seldom used in Michigan because of the availability of cheap timber. The structure is also uncommon because it... More
Zion-Mount Carmel Highway, Pine Creek Bridge, Spanning Pine Creek on Z...
Significance: Built of native sandstone and ashlar masonry, and designed to complement its natural surroundings, this bridge is a superb example of "National Park Service-Rustic" stone bridge engineering. It i... 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
Otter Creek Cove Bridge & Causeway, Spanning Otter Creek Cove on Park ...
Significance: The triple-arched Otter Cove Causeway spans Otter Cove, connecting Otter Point with the Blackwoods section of the park. One of the most impressive structures along the Park Loop Motor Road, the c... More
Otter Creek Cove Bridge & Causeway, Spanning Otter Creek Cove on Park ...
Significance: The triple-arched Otter Cove Causeway spans Otter Cove, connecting Otter Point with the Blackwoods section of the park. One of the most impressive structures along the Park Loop Motor Road, the c... More
Massachusetts Avenue Bridge, Spanning Rock Creek & Potomac Parkway, Wa...
Significance: This bridge, on axis with Massachusetts Avenue, replaced an earth-fill crossing that had been constructed in 1901; it was breached by a culvert through which a narrow two-lane road later passed. ... More
Little Crossings Bridge, National Road (U.S. Route 40) spanning Cassel...
Significance: Bridge construction began in late 1813 and proceeded through the summer of 1814 despite several delays due to increased rains. On November 16, 1814, workers successfully turned "the largest and w... More
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
Ninth Street Viaduct, Spanning Los Angeles River at Olympic Boulevard,...
Significance: Olympic Boulevard Viaduct (formerly the Ninth Street Viaduct) is one of the twelve significant historic bridges over the Los Angeles River. Ninth Street was reconfigured and renamed Olympic Boule... More
Lake No. 1 Bridge, Spanning Lake No. 1 at Avondale Road, North Little ...
Significance: The Lake No. 1 Bridge is one of eight known masonry arch bridges in Arkansas. It was constructed as part of an innovative construction project developed by Mr. Justin Matthews. Survey number: HA... More
Four Mile Bridge, Copper Creek Road, Spans Table Rock Fork, Mollala Ri...
Significance: One of two remaining timber deck arch bridges in Oregon, Four Mile Bridge incorporates a unique combination of a truss and an arch to cross a short 118-foot span. Weyerhaeuser Company hauled over... More
Van Duzen Bridge, Spanning Van Duzen River at State Highway 36, Carlot...
Significance: This is a highway bridge of open spandrel reinforced concrete deck arch type. It is associated with John B. Leonard - leading proponent and important early designer of reinforced concrete bridges... More
Van Duzen Bridge, Spanning Van Duzen River at State Highway 36, Carlot...
Significance: This is a highway bridge of open spandrel reinforced concrete deck arch type. It is associated with John B. Leonard - leading proponent and important early designer of reinforced concrete bridges... More
Great Smoky Mountains National Park Roads & Bridges, Newfound Gap Road...
Significance: Newfound Gap Road is the central transportation artery in Great Smoky Mountains National Park. It is the only road to cross the park from north to south, connecting the two major entrances at Gat... More