Cass County Engineer Charles Marker, today (Friday), provided the Board of Supervisors with an update on various county Secondary Roads Department projects. Marker said motorists on Interstate 80 in Cass County can expect to experience some detours in September. He said there was a pre-construction conference with the Iowa DOT earlier this month with regard to the I-80 bridge north of Marne (County Road M-56). A.M. Cohron is the contractor for the project.
Marker says the Interstate will be closed beginning September 8th during the overnight hours, from Sept. 8th through the 11th so the bridge deck surface can be removed. Traffic will simply be rerouted up the off ramp and back down to I-80 via the on-ramp on the other side of M-56 for the duration of the project. Motorists who normally travel north on M-56 to I-80 will need to go one-mile east on Boston Road and then north under the Interstate, and then back west in order to head toward Omaha, or, they may travel to the Walnut or Elk Horn exits to get back on the Interstate.
Other bridge projects include those involving deck patching. DENCO Construction has already completed one of the projects, located by “The Valley” across the Nishnabotna River. One of the nine projects planned has been dropped for now. That’s because the level of repair was more extensive then first thought, so the affected bridge deck is slated for replacement at a later date. Other work is set to begin along County Road N-28. Marker said bid-letting on the Landfill Bridge will take place in October, with work slated to begin Aug. 3rd, 2015.
And, Marker said a twin concrete box culvert north of the Marne Cemetery is finished, with only the dirt finishing work remaining.
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