Rock County 67564
Bridge 67564, on County Road 55, crosses over the Minnesota Southern Railroad. It consists of a single-span prestressed concrete box girder structure with a total length of 82 ft and roadway width of 30 ft. GRS-IBS technology was utilized on this project, which received special federal funding to showcase GRS abutment design in Minnesota. The GRS abutment is founded on a reinforced soil foundation. The total height of the abutments from top of the reinforced solid foundation to the bridge low member is 22 ft. The concrete box girders are post-tensioned transversely along the deck.
Services Performed: Hydraulics, Permit Applications, Geotechnical and Utility Coordination, Preliminary/Final Bridge Design, Specifications, Cost Estimate.
Construction Completion Date: 2013
Construction Cost: $661,719.