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<br /> CASS COUNTY ROADWAY 18 EXTENSION STUDY – CASS COUNTY, <br />ND <br /> <br />34 <br />areas that the wider Cass County typical roadway section would impact buildings, landscaping, or other <br />physical property, Cass County will modify the typical roadway section to minimize any impacts to <br />property owners. The typical roadway sections included in Figure 14 are to be considered the County <br />typical roadway section for the Sheyenne River Crossing and Relocate Church alternatives. <br /> <br />Similar to the Existing Alignment Alternative, the Existing Alignment with Cass County Typical Section <br />Alternative may have issues with the Sheyenne River bank eroding near the existing 52nd Street SE <br />roadway ROW. <br />7.1.3 SHEYENNE RIVER CROSSING ALTERNATIVES <br />The Sheyenne River Crossing Alternatives were developed in a proactive manner to address any <br />potential erosion issues with the river bank impacting the existing roadway grade and ROW. Cass <br />County stated early in the project that there have been difficulties in finding long-term solutions to river <br />bank erosion issues due to the soil types in Cass County. Many of the prior permanent erosion control <br />solutions implemented by Cass County have not resolved the issue long-term and, in many cases, have <br />resulted in the County reconstructing the roadway alignment in a location with limited potential for erosion <br />issues due to the Sheyenne River. <br /> <br />The previous experiences of the County with erosion issues, in addition to the limited available width for a <br />roadway between the church and the river bank, led the SRC to develop Sheyenne River Crossing <br />Alternatives that realigned a mile of roadway on either side of the crossing to either the north or south. <br />The north and south alternatives are included as Alternative A, Alternative B, and Alternative C. The <br />Sheyenne River Crossing Alternatives would only be constructed if either the Sheyenne River bank <br />erosion issue further expanded to impact 52nd Street SE or at the end of the serviceable life of the <br />Sheyenne River Crossing bridge. Further discussion of the implementation of the Sheyenne River <br />Crossing Alternatives is included in the Implementation Plan Section <br /> <br />Each of the Sheyenne River Crossing Alternatives do include the County typical roadway section on the <br />remaining 52nd Street SE alignment, but it is not shown in each of the figures for the alternatives. <br />7.1.3.1 SHEYENNE RIVER CROSSING ALTERNATIVE A <br />The Sheyenne River Crossing Alternative A is shown in Figure 16. Alternative A is the alternative that <br />realigns the roadway the furthest south to cross the Sheyenne River. This alternative would avoid all <br />physical structures and provide access to all land parcels. Additional information of the alternative is <br />available in the following sections of this report.