Polk County Bridge 60558

Polk County Bridge 60558

New Polk County Bridge 60558, located on 330th Ave SW, crosses over Sand Hill River and consists of a 3-span prestressed concrete beam structure with a total length of 168 ft and a roadway width of 28 ft. Due to the poor soils at the site, the abutment inslopes were designed at a 1(V):4(H) slope to prevent slope failure. 

To improve deck drainage and provide better aesthetics, the bridge also incorporated a tubular steel rail design instead of the standard concrete F rail.

Services Performed: Hydraulics, Permit Applications, Geotechnical Coordination, Preliminary/Final Bridge Design, Specifications, Cost Estimate

Construction Completion Date: 2008

Bridge Cost: $624,047

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