Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Snake River Bridge at Lyons' Ferry, State Route 261 spanning Snake Riv...
Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe... More
Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, B...
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240'... More
Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, B...
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240'... More
Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, B...
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240'... More
Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, B...
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240'... More
Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, B...
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240'... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Chehalis River Riverside Bridge, Spanning Chehalis River at State Rout...
Significance: The Chehalis River Riverside Bridge is a riveted Warren through truss with verticals. It was built to the new 240's standard bridge design devised by the Washington Department of Highways which s... More
Lake Keechelus Snowshed Bridge, Interstate 90, Hyak, Kittitas County, ...
Significance: The Lake Keechelus Snowshed is the only concrete snowshed in Washington. It is significant as an early example of a structure built through the use of an innovative technique that involved the co... More
Lake Keechelus Snowshed Bridge, Interstate 90, Hyak, Kittitas County, ...
Significance: The Lake Keechelus Snowshed is the only concrete snowshed in Washington. It is significant as an early example of a structure built through the use of an innovative technique that involved the co... More
Lake Keechelus Snowshed Bridge, Interstate 90, Hyak, Kittitas County, ...
Significance: The Lake Keechelus Snowshed is the only concrete snowshed in Washington. It is significant as an early example of a structure built through the use of an innovative technique that involved the co... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at ...
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washi... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
Baker River Bridge, Spanning Baker River at State Route 20, Concrete, ...
Significance: The bridge was the only link between the two halves of the city of Concrete. It is an early example of a reinforced-concrete open spandrel arch and was reputedly one of the longest single-span co... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
City Waterway Bridge, Spanning City Waterway at State Route 509, Tacom...
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical li... More
North Hamma Hamma River Bridge, Spanning Hamma Hamma River Bridge at U...
Significance: The North Hamma Hamma River Bridge is one of two identical bridges spanning the north and south branches of the Hamma Hamma River (the other is the South Hamma Hamma River Bridge, HAER No. WA-96).... More
North Hamma Hamma River Bridge, Spanning Hamma Hamma River Bridge at U...
Significance: The North Hamma Hamma River Bridge is one of two identical bridges spanning the north and south branches of the Hamma Hamma River (the other is the South Hamma Hamma River Bridge, HAER No. WA-96).... More
North Hamma Hamma River Bridge, Spanning Hamma Hamma River Bridge at U...
Significance: The North Hamma Hamma River Bridge is one of two identical bridges spanning the north and south branches of the Hamma Hamma River (the other is the South Hamma Hamma River Bridge, HAER No. WA-96).... More
Purdy Bridge, Spans strait between Henderson Bay & Burley Lagoon, Purd...
Significance: An example of a reinforced-concrete box-girder bridge, which was common in Europe but rare in the United States. It was considered the longest of its kind when built. It has been placed on the N... More
Purdy Bridge, Spans strait between Henderson Bay & Burley Lagoon, Purd...
Significance: An example of a reinforced-concrete box-girder bridge, which was common in Europe but rare in the United States. It was considered the longest of its kind when built. It has been placed on the N... More
Purdy Bridge, Spans strait between Henderson Bay & Burley Lagoon, Purd...
Significance: An example of a reinforced-concrete box-girder bridge, which was common in Europe but rare in the United States. It was considered the longest of its kind when built. It has been placed on the N... More
Spokane River Bridge at Long Lake Dam, Spannng Spokane River at State ...
Significance: The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the b... More
Spokane River Bridge at Long Lake Dam, Spannng Spokane River at State ...
Significance: The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the b... More
Spokane River Bridge at Long Lake Dam, Spannng Spokane River at State ...
Significance: The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the b... More
Spokane River Bridge at Long Lake Dam, Spannng Spokane River at State ...
Significance: The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the b... More
Spokane River Bridge at Long Lake Dam, Spannng Spokane River at State ...
Significance: The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the b... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Spokane River Bridge at Fort Spokane, Spanning Spokane River at State ...
Significance: This bridge was one of two steel cantilever spans that the Washington Department of Highways constructed to replace structures flooded by the waters rising behind Grand Coulee Dam. / The Spokane R... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
Columbia River Bridge at Bridgeport, State Route 17 spanning Columbia ...
Significance: This bridge is the only large-scale steel truss built in Washington immediately after World War II. Like the Columbia River Bridge at Grand Coulee Dam (HAER No. WA-102), it was a federal structur... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More
McMillin Bridge, Spanning Puyallup River at State Route 162, McMillin,...
Significance: This is a rare example of a reinforced-concrete through truss bridge. The form of its members and details are unique. At the time of its construction it was thought to be the longest concrete tr... More