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Weekend Closure Scheduled on NB I-83 (South Bridge) in Harrisburg – Contractor to perform permanent repair to expansion dam

October 6, 2021 |

Harrisburg, PA Motorists in south central Pennsylvania are advised a weekend closure is scheduled for northbound Interstate 83 on the John Harris Memorial (South) Bridge spanning the Susquehanna River in the City of Harrisburg. Interstate 83 will be closed between Exit 41 (Lemoyne/Camp Hill) and Exit 43 (2nd Street).

This closure includes the northbound I-83 Exit 41B ramp to Lemoyne and the Lemoyne/Lowther Street on-ramp to northbound I-83. Right turns from eastbound Route 581 Ramp 6C onto eastbound Lowther Street will be restricted, though left turns and straight movements from the ramp will be permitted.

The closure will allow the district’s bridge maintenance contractor, J.D. Eckman, Inc., of Atglen, PA, to perform permanent repairs to an expansion dam on the bridge.

The closure will begin at approximately 9:00 PM on Friday, October 15, and is expected to be lifted by 6:00 AM Monday, October 18. Should inclement weather impact this schedule, the work will be performed during the same hours Friday, October 29, through Monday, November 1.

A detour will be in place for northbound I-83 traffic using westbound PA Route 581, northbound Interstate 81 and southbound Interstate 83. Also, a detour will be in place for the Lowther Street ramp traffic using Lowther Street, the southbound I-83 on-ramp at South 10th Street to exit 40B (New Cumberland), eastbound on Carlisle Road, and Interstate 83 northbound.  A detour will be in place for eastbound PA Route 581 traffic using Exit 6B (I-83/York) to exit 40B (New Cumberland), eastbound on Carlisle Road, and Interstate 83 northbound.

To support and facilitate the abovementioned closures, motorists may experience lane restrictions and/or manual traffic control at the 3rd Street and Lowther Street Intersection in Lemoyne, as well as other intersections along the detour routes. Motorists may expect delays on northbound Interstate 83, eastbound PA Route 581, and detour routes. Alternate routes and/or travel times are encouraged to minimize delays.

The expansion dam (or expansion joint) on the bridge allows the bridge deck to expand and contract with temperatures changes and traffic movement on the deck, while preventing water from reaching and damaging bridge elements below the deck. A temporary repair was made earlier this year while the permanent repair project was designed.

Additional repairs are planned in both directions on the bridge this winter and next spring.

Motorists can check conditions on major roadways by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 1,000 traffic cameras.

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional Twitter alerts accessible on the 511PA website.

Subscribe to PennDOT news and traffic alerts in Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon, Perry, and York counties at

Information about infrastructure in District 8, including completed work and significant projects, is available at Find PennDOT’s planned and active construction projects at

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