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Rii is proud to have served as the Lead Design Engineer on the ODOT District 6 MAASTO award-winning project: Interstate 71 Widening - The Golden Spike!

Sep 30

Written by: riiadmin
9/30/2015 8:10 AM  RssIcon

Resource International, Inc. (Rii) would like to congratulate ODOT District 6 who was recently recognized by the Mid America Association of State Transportation Official’s (MAASTO) 2015 awards in the Under Budget Category for the $149 million, I-71 Golden Spike project. The entire 25-mile project was completed more than $10 million under budget and an estimated three years early, saving taxpayer money and inconvenience to motorists.

Rii is proud to have been involved in a portion of this award-winning project. The Design-Build Team of Rii and Shelly and Sands Company was responsible for the reconstruction and widening of 9 miles of I71 in Morrow County, Ohio. The project included pavement replacement and adding a third lane, new drainage system, signing and pavement marking and MOT. To meet District 6’s accelerated schedule, plans for 4.5 miles of the project were prepared in only two months, allowing the project to be constructed in two seasons to coincide with adjacent projects. The project was completed in the fall of 2014, a full year ahead of the original schedule.

Additionally, an evaluation of the shoulder was conducted using visual inspection (PCR), GPR and ADCP. The structural adequacy of the existing shoulder was evaluated by calculating the structural number along the north and south bounds. This was done by dividing the project into sections of 1000 feet. The asphalt thicknesses were obtained from the GPR data. The base and subgrade CBR values were obtained from the ADCP. The evaluation indicated that the shoulder pavement is generally considered in fair to good condition and that it can withstand the anticipated traffic for six months. However, the evaluation also revealed that there are some areas that showed excessive distresses and were structurally inadequate to carry the anticipated traffic at these reliability levels.

For more information on MAASTO and the Interstate 71 Widening - The Golden Spike project, please click here.

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