An RK&K-led bridge replacement project to improve safety and visibility near Richmond, VA has now been completed.
RK&K was the lead designer to replace both the eastbound and westbound bridges of Patrick Henry Highway (Route 360) over Route 360 Business and the Norfolk Southern Railway in Amelia County for the Virginia Department of Transportation (VDOT).
Great news for #Amelia County!
The bridge replacement project on Patrick Henry Highway (Route 360) is complete. The two bridges were constructed on time and under budget.
— VDOT Richmond (@VaDOTRVA) June 27, 2022
The new two-span bridges replaced the former four-span twin bridges and provide extra clearance for an additional railroad track and access road. They also have two 12-foot-wide lanes and 4-foot-wide shoulders give drivers extra space for added visibility and safety.
RK&K also led the design of the roadway, drainage, and other aspects of the project to replace the structurally deficient bridges, originally built in 1966. The previous bridges allowed water to penetrate below the road surface, causing the bridge beams, bearings, and substructure to deteriorate.
“The previous bridges certainly stood the test of time,” said VDOT Construction Engineer Robert Poutier. “The new bridges were built to last for decades more to come, while also enhancing driver safety.”
To accomplish this, RK&K, in coordination with subconsultants, performed a detailed bridge condition assessment and identified the most cost-effective method to correct the deficiencies through rehabilitation or replacement. The condition assessment included a review of the most recent safety (NBIS) inspection reports, a deck evaluation, content surveys, site condition assessment, and more.
Following the condition assessment, RK&K identified seven feasible rehabilitation, and replacement alternatives using a life-cycle cost analysis.
The selected designs consist of a two-span continuous steel plate girder superstructure supported with full integral abutments and a multi-column reinforced concrete pier.
“The RK&K team developed the design with the goal of minimal increase in impervious areas and so that there was no need for permanent stormwater management facilities,” said Project Manager John Koch. “This resulted in a significant reduction in construction impacts and savings of both time and cost.”
Construction began in October 2020 and was scheduled to take two years total to complete. The project was completed on time and under budget.