February 04, 2019
Allentown, PA – The new bridge carrying Route 209 (Interchange Road) over Middle Creek in Polk Township, Monroe County, reopened to two lanes of traffic today. This bridge was replaced as part of the Pennsylvania Department of Transportation's (PennDOT) Rapid Bridge Replacement Project.
With the bridge reopened, motorists may notice a slight bump as they drive across the bridge until a polyester polymer concrete (PPC) overlay is applied to the deck. This is often the final step in completing box beam bridge projects. The PPC overlay is designed to protect the deck from the wear and tear brought about by Pennsylvania’s harsh winters, and reduce the long-term maintenance costs.
The polyester material can only be applied when temperatures are consistently above 40 degrees, dry weather is forecasted and after the bridge concrete has cured for at least 30 days. An alternating traffic pattern controlled by flaggers will be used to maintain traffic through the project area when the PPC overlay is applied in spring 2019. Final paving on the bridge approach will be also be completed when temperatures are warmer in early spring.
To find out when the overlay will be applied to this structure, visit www.parapidbridges.com/polyesterpolymerconcreteoverlay.html. In the event of unfavorable weather, this schedule may change. Any such changes will be posted on the website.
This bridge is referred to as JV-179 and is one out of the 558 bridges being replaced under the Rapid Bridge Replacement Project. JV references the joint-venture partnership between Walsh/Granite, which is leading construction for the entire project. Replacement work for this bridge was performed by Walsh Construction II of Chicago, IL.
The Rapid Bridge Replacement Project is a public-private partnership (P3) between PennDOT and Plenary Walsh Keystone Partners (PWKP), under which PWKP will finance, design, replace, and maintain the bridges for 25 years. The P3 approach will allow PennDOT to replace the bridges more quickly while achieving significant savings and minimizing impact on motorists.