Here are the details from the McHenry County Department of Transportations:
LAWRENCE ROAD BRIDGE REPLACEMENT
IDOT CONTRACT: 61B85, Section No. 10-00376-00-BR
The Lawrence Road Bridge over a tributary to the Lawrence Creek between Ramer Road and Oak Grove Road, 1.5 miles northwest of Harvard in unincorporated McHenry County.
The existing structure which was built in 1941 is to be removed and replaced. The new bridge will be a 43 foot single span structure and will be widened to accommodate two 8 foot wide Impact to Traffic During Construction:
Please be advised: Lawrence Road, between Ramer Road and Oak Grove Road, will be closed to through traffic beginning January 4, 2016. Local traffic will have access up to the bridge.
Through traffic will be detoured via Oak Grove Road and Ramer Road.
Approximate Project Schedule: (dates subject to change)
January 4, 2016: Install detour and close Lawrence Road to through traffic, at bridge January 2016: Demolition including removal of existing bridge deck and abutments.
February-April 2016: Construct abutments for new structure; work to include: dewatering and cofferdam installation, perform structural excavation, drive piling, construct concrete abutment footing, form and pour abutments.
May 2016: Construct deck superstructure and concrete wearing surface; work to include installation of pre-cast pre-stressed concrete deck beams, form and pour concrete wearing surface, form and pour concrete bridge approach slabs, install steel bridge railing.
Roadway work will include construction of roadway subgrade and mass site grading.
June 2016: Complete all asphalt pavement, pavement markings, signage, and Late June, 2016: Remove detour and reopen roadway to through traffic, final The McHenry County Division of Transportation apologizes for any inconvenience, and is appreciative of your patience and understanding during the construction of this important improvement to the local highway system.