Historic Bridges

Year constructed: 1948
Bridge type: continuous steel plate deck girder
National Register of Historic Places status: Eligible
Length: 695 feet
Width: 31.6 feet
Spans: 1
FHWA: 052410
Jurisdiction: Iowa DOT; District 1; Jeremey Vortherms (Assistant District Engineer; Jeremey.Vortherms@iowadot.us; 515-233-7851)
Location: IA 175 over the Des Moines River

Details

The IA 175 Bridge (FHWA #0052410; 94-02577) was built between 1946 and 1948 and is classified as a continuous steel plate deck girder design with an overall length of 695 ft.  The bridge was recommended eligible for the NRHP under Criterion C for its engineering and design. It’s defining features are the 695 ft continuous span, arched steel girders, plate deck design continuing use without additional supports, and intact concrete piers.