Historic Bridges Historic Bridges US 6 Highway Bridge over Silver Creek According to the ISHC, the bridge was the first prestressed steel bridge in the United States. Image Historic Bridges Bridge (FHWA 055380) The bridge (FHWA 055380) is a standard example of a rare bridge type. Image Historic Bridges Rigid-Connected 3-Hinge Deck Arch In the 1930s the Iowa State Highway Commission designed a handful of steel arch structures to function as grade separations in various locations in the state. Image Bridge Type: Steel Beam Historic Bridges Cascade Bridge The Cascade Bridge is located on South Main Street over Cascade Ravine in the City of Burlington, Iowa Image Historic Bridges Bridge Type: Steel Beam U.S. 69 Bridge Information about the U.S. 69 bridge in Polk County Image Historic Bridges Bridge Type: Steel Beam Iowa 175 Bridge Information about the IA 175 Bridge. Image Bridge Type: Concrete Arch Historic Bridges Vine Street Bridge Information about the Vine Street Bridge in Fayette County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges U.S. Highway 52 Bridge Information about the U.S. Highway 52 Bridge in Winneshiek County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Twin Bridge Information about the Twin Bridge in Fayette County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Squaw Creek Bridge II Information about the Squaw Creek Bridge II in Boone County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Rockwell City Bridge Information about the Rockwell City Bridge in Calhoun County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Melan Arch Bridge Information about the Melan Arch Bridge in Lyon County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Lake City Bridge Information about the Lake City Bridge in Calhoun County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges East Indian Creek Bridge Information about the East Indian Creek Bridge in Story County, Iowa. Image Bridge Type: Concrete Arch Historic Bridges Herrold Bridge Information about the Herrold Bridge in Polk County, Iowa. Image Pagination Current page 1 Page 2 Page 3 Page 4 Page 5 Page 6 … Next page Next Last page Last RSS Feed
Historic Bridges US 6 Highway Bridge over Silver Creek According to the ISHC, the bridge was the first prestressed steel bridge in the United States. Image
Historic Bridges Bridge (FHWA 055380) The bridge (FHWA 055380) is a standard example of a rare bridge type. Image
Historic Bridges Rigid-Connected 3-Hinge Deck Arch In the 1930s the Iowa State Highway Commission designed a handful of steel arch structures to function as grade separations in various locations in the state. Image
Bridge Type: Steel Beam Historic Bridges Cascade Bridge The Cascade Bridge is located on South Main Street over Cascade Ravine in the City of Burlington, Iowa Image
Historic Bridges Bridge Type: Steel Beam U.S. 69 Bridge Information about the U.S. 69 bridge in Polk County Image
Bridge Type: Concrete Arch Historic Bridges Vine Street Bridge Information about the Vine Street Bridge in Fayette County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges U.S. Highway 52 Bridge Information about the U.S. Highway 52 Bridge in Winneshiek County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Twin Bridge Information about the Twin Bridge in Fayette County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Squaw Creek Bridge II Information about the Squaw Creek Bridge II in Boone County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Rockwell City Bridge Information about the Rockwell City Bridge in Calhoun County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Melan Arch Bridge Information about the Melan Arch Bridge in Lyon County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Lake City Bridge Information about the Lake City Bridge in Calhoun County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges East Indian Creek Bridge Information about the East Indian Creek Bridge in Story County, Iowa. Image
Bridge Type: Concrete Arch Historic Bridges Herrold Bridge Information about the Herrold Bridge in Polk County, Iowa. Image
