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Historic Bridges: Hardin County, Iowa

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

Total Bridges Found: 4

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Hardin City Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Exhibit Over Exhibit in Rural: Hardin County, Iowa, United States
Metal 10 Panel Pin-Connected Whipple (Double-Intersection Pratt) Through Truss, Fixed
Length: 140 ft. Main Span: 140 ft. Roadway: 16 ft. Main Spans: 1
Built 1879 By: Western Bridge Works of Fort Wayne, Indiana
An extremely early, unusual, and intact example of a pre-1880 Whipple truss bridge with cast iron components.
X
Iowa Falls Bridge
Oak Street Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-65 (Oak Street) Over Iowa River in Iowa Falls: Hardin County, Iowa, United States
Concrete Open Spandrel Deck Arch, Fixed
Length: 255 ft. Main Span: 235 ft. Roadway: 24 ft. Main Spans: 1
Built 1928 By: Welden Brothers Construction Company of Iowa Falls, Iowa
The beauty and historic significance of this large and impressive arch bridge were not enough to save it from demolition.
River Street Bridge
Richard Welden Bridge
HSRNational HSR. Local HSR.
Click to visit page.
River Street Over Iowa River in Iowa Falls: Hardin County, Iowa, United States
Concrete Open Spandrel Deck Arch, Fixed
Length: 150 ft. Main Span: 140 ft. Roadway: 20 ft. Main Spans: 1
Built 1922 By: Welden Brothers Construction Company of Iowa Falls, Iowa and Marsh Engineering Company of Des Moines, Iowa
This bridge was engineered by James Marsh, an important Iowa bridge engineer.
Washington Avenue Bridge
Iowa Bridge Number 27000
HSRNational HSR. Local HSR.
Click to visit page.
Washington Avenue (Old US-20) Over Iowa River in Iowa Falls: Hardin County, Iowa, United States
Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete Deck Girder, Fixed
Length: 380 ft. Main Span: 173 ft. Roadway: 24 ft. Main Spans: 2
Built 1934 By: Welden Brothers Construction Company of Iowa Falls, Iowa
One of three attractive and historic concrete arch bridges in Iowa Falls.

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