7.1. SR 03-21-2011 - Laserfiche WebLink

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~o~~NNesorgyo Minnesota Department of Transportation ' ~ District 3 ~~~'aF taP~gao 7694 Industrial Park Road Baxter, MN 56425 March 1, 2011 Justin Femrite Elk River City Engineer 13065 Orono Parkway Elk River, MN 55330 Tel: 218-828-5700 Fax: 218-828-5814 Toli Free: 1-800-657-3971 Re: Official Detour Route S.P. 7106-79 (TH 169) Southbound Bridge Railing Replacement and Low-slump Concrete Overlay Located on TH 169 in Elk River over TH 10 Dear Mr. Femrite, A project is scheduled to remove and replace the bridge railings and pour a new low-slump concrete overlay on the southbound TH 169 bridge that crosses over TH 10 in Elk River. The project will occur during the 2011 construction season. To accomplish the proposed work, the eastbound TH 10 to northbound TH 169 traffic movement and the southbound TH 169 to eastbound TH 10 traffic movement will need to be detoured. I would like to notify you of the proposed official detour routes, route specific limitations, and to outline the associated compensation owed to the City of Elk River. We are planning to utilize portions of Main Street, and Twin Lakes Road as the official detour routes for the project. It is anticipated that the detour will need to be in place for approximately one month during the month of June. A map indicating the proposed official detour routes is .~itt~^.he~... The calculations that accompany this letter are estimates only. The developed method used to calculate detour compensation is The Gas Tax Method from the "Detour Management Study" of 1991. The formula to calculate detour compensation is as follows: Compensation = 0.00513 x Trunk Highway ADT x Length in miles x Duration in days The derived ADT values are from traffic turning movement counts taken in 2009 and the segment length is from Mn/DOT's Local Log point Listing database. The final amount of compensation will depend on the actual duration of the detour. An Equal Opportunity Employer ~.. is ~~~ ,~ __,