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September 11, 2021 <br />Page 47 <br />Concept 3: Four -lane Arterial River Crossing <br />Concept 3 is the first of two concepts involving a new Mississippi River crossing on the Zanzibar/ <br />Armstrong alignment. Concept 3 consists of a four -lane urban divided arterial with a 120-foot right- <br />of-way and a minimum one -quarter mile spacing between at -grade intersections. The concept <br />assumes a 45-mph design speed and a 560-foot bridge span. <br />Figure 28: Concept 3 - Four -lane Arterial Following Zanzibar/Armstrong Alignment <br />Otsleg <br />._ <br />R ogeri <br />'r. <br />Concept improvement area <br />1 <br />I� Four- f a n�e <br />II arterial <br />Jr <br />0nip <br />0 <br />Champ i n <br />4 asLo� <br />4apIe r <br />Co <br />Rapo <br />Table 8: Concept 3 Improvement Details and Cost Range <br />Improvement <br />Segment <br />Total Project Cost <br />(2030 dollars) <br />New River Crossing <br />Net Cost <br />New river crossing designed as a 4-lane arterial <br />roadway between 1-94 to Highway 10 <br />$170M - $250M <br />$170 — $250M <br />Northwest Metro Mississippi River Crossing Feasibility Analysis <br />