City of Lilburn issued the following announcement on Aug. 25.
The Greenway Trail bridge underpass at Rockbridge Road will be closed for the next 3-5 days for maintenance by Gwinnett County. There will be temporary fencing installed this week to prohibit access. There is no crosswalk at Rockbridge Road near this bridge, so no pedestrians should cross the road anywhere at this point. The Greenway Trail will continue to be open for use from Lilburn City Park up to this bridge underpass at Rockbridge Road.
Original source can be found here.
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