The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
This photo was taken for the Heritage Documentation Programs, a division of the National Parks Services. The Heritage Documentation Programs is responsible for administering the Historic American Buildings Survey, Historic American Engineering…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper chord was a standard design for the company, which also…
This photo was taken for the Heritage Documentation Programs, a division of the National Parks Services. The Heritage Documentation Programs is responsible for administering the Historic American Buildings Survey, Historic American Engineering…
The Eveland Bridge is a rare example of a multiple-span Whipple truss bridge. A less common variation on the Pratt truss, the Whipple truss was seldom used for wagon trusses in Iowa, and only seven remain today. Spanning the Des Moines River, the…