Historic Bridges: Clinton 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: 7

Calamus Creek Bridge
HSR

Private Farmland Access Over Calamus Creek in Rural: Clinton County, Iowa, United States

Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 60 ft. Main Span: 60 ft. Main Spans: 1

Built By: Unknown

This is a classic pin connected pony truss hidden back on private property.

!
Clinton Railroad Bridge
HSR

Railroad (Union Pacific) Over Mississippi River (West Channel) in Clinton and Fulton: Clinton County, Iowa and Whiteside County, Illinois, United States

Metal Rivet-Connected Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 9 Panel Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed

Length: 855 ft. Main Span: 460 ft. Main Spans: 1

Built 1909 By: Pennsylvania Steel Company of Steelton, Pennsylvania

This swing bridge is noted for its span length as well as its variety of approach spans.

Gateway Bridge
South Bridge
HSR

US-30 (8th Avenue and Clinton Road) Over Mississippi River and Railroad in Clinton and Fulton: Clinton County, Iowa and Whiteside County, Illinois, United States

Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 4,165 ft. Main Span: 644 ft. Roadway: 26 ft. Main Spans: 1

Built 1956 By: Allied Structural Steel Company of Chicago, Illinois and Clinton Bridge and Iron Works of Clinton, Iowa and Modjeski and Masters

This graceful mid-20th Century suspension bridge is noted for only having a single suspended span.

Lincoln Highway Calamus Creek Bridge
HSR

235th Street (Historic Lincoln Highway) Over Calamus Creek in Rural: Clinton County, Iowa, United States

Metal 10 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 95 ft. Main Span: 95 ft. Main Spans: 1

Built 1921 By: Unknown and Iowa State Highway Commission

This pony truss is located on an abandoned stub of the old alignment of the Lincoln Highway.

Lincoln Highway Wapsipinicon River Bridge
Iowa Bridge Number 121690
HSR

235th Street (Historic Lincoln Highway) Over Wapsipinicon River in Rural: Clinton County, Iowa, United States

Metal Through Girder, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 420 ft. Main Span: 82 ft. Roadway: 24 ft. Main Spans: 2

Built 1930 By: Unknown and Iowa State Highway Commission

This is one of two interesting plate girder highway bridges on this former alignment of the historic Lincoln Highway.

Lincoln Highway Wapsipinicon River Overflow Bridge
Iowa Bridge Number 121700
HSR

235th Street (Historic Lincoln Highway) Over Wapsipinicon River Overflow in Rural: Clinton County, Iowa, United States

Metal Through Girder, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 252 ft. Main Span: 83 ft. Roadway: 24 ft. Main Spans: 1

Built 1930 By: Unknown and Iowa State Highway Commission

This is one of two interesting plate girder highway bridges on this former alignment of the historic Lincoln Highway.

Wapsi Oaks Bridge
HSR

Wapsi Oaks Entrance Road Over Calamus Creek in Rural: Clinton County, Iowa, United States

Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed

Length: 52 ft. Main Span: 52 ft. Main Spans: 1

Built 1911 By: Joliet Bridge and Iron Company of Joliet, Illinois

This pony truss was probably moved here from an unknown prior location.

Historic Bridges: Clinton County, Iowa

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