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Northstar Boulevard

This is a Locally Administered Project (LAP) by Loudoun County to extend Northstar Boulevard as a 4-lane median divided minor arterial roadway, from John Mosby Highway (US Route 50) to Tall Cedars Parkway, in Loudoun County, Virginia. The roadway has 10-feet shared use paths on the both sides of the roadway and has additional turn lanes and traffic signals with pedestrian controls installed at US Route 50, Marrwood Drive and Tall Cedars Parkway. The project budget of $45.8M was funded by Loudoun County, NVTA, and VDOT.

As the lead designer for the Bridge, ELR supported the project by providing the County with Stage-II Final Design and ultimately Stage-III Construction engineering services for the Northstar Boulevard Bridge over South Fork Broad Run. This included structural design /detailing, scour analysis, developing final plans, specifications, special provisions, and a cost estimate. The bridge is a 150-feet long single span pre-stressed concrete bulb-T beam bridge at 45-degree skew on tall wall abutments, with long wing walls, on spread footing foundation.

Working closely with Loudoun County and VDOT as part of the Stage-III post-design efforts, the bridge foundation was redesigned because of the variable bedrock encountered at depths different from the estimated bedrock depth which was based on the original subsurface investigation. ELR also assisted the County with reviewing RFIs and shop drawings throughout the construction of the Bridge.

Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard
Northstar Boulevard

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