Update on Construction of Illinois 2 Rock River Bridge in Grand Detour

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The Illinois Department of Transportation announced that construction on the Illinois 2 bridge crossing the Rock River south of Grand Detour has been extended from Friday, September 18 to Friday, Sept. 25.

Work on the road project began Tuesday, Sept. 8. Workers are repairing the bridge deck. One lane of traffic will be open and controlled by temporary traffic signals throughout the project.

Motorists can expect delays and should allow extra time for trips through this area. ​To avoid the work area when feasible, the use of alternate routes should be considered. Drivers are urged to pay close attention to changed conditions and signs in the work zones, obey the posted speed limits, refrain from using mobile devices and be alert for workers and equipment.

Over the next six years, IDOT is planning to improve 7,107 lane miles of highway and 8.4 million square feet of bridge deck as part of Rebuild Illinois, which is investing $33.2 billion into all modes of transportation. 

Accomplishments through Year Seven of Rebuild Illinois include $25.6 billion of improvements statewide to 24,498 lane miles of highway, 959 bridges and 1,475 additional safety improvements.

For IDOT District 2 updates, follow on X at @IDOTDistrict2 or view area construction details on IDOT’s traveler information map on GettingAroundIllinois.com. ​

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