Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Tivoli Island Bridge, Spanning Rock River Channel from mainland to wes...
Significance: In 1866, Zenas King from Ohio received a patent for an innovative tubular iron-arch design. Increasing the sectional area of the top chord toward the ends of the arch, he claimed, strengthened th... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Harrison Road Camelback Through Truss Bridge, Spanning Great Miami Riv...
Significance: The Harrison Road Camelback Through Truss Bridge was built in 1894 by the King Bridge Company, one of the largest and most important bridge building concerns in the United States during the late 1... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Smith Road Bowstring Arch Bridge, Spanning Sycamore Creek at Smith Roa...
Significance: This is the oldest bridge in Crawford County, Ohio. It also provides a prime, existing example of a wrought iron tubular arch design, patented by Zenas King of Cleveland's King Iron Bridge and Ma... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More