Transportation Harper's Ferry > Projects > Harper’s Ferry KEY CHALLENGES & PROJECT DETAILS Construction of two-lane, eight-span (elevated 60’), 432-meter (1440’) long bridge Heavily traveled US 340 corridor serving commercial, commuter, and recreational traffic, as well as Appalachian Trail hikers Environmental management a paramount concern Environmental response plan in place for the project’s duration Project completed with no environmental accidents – recreational activities safely maintained throughout project Superstructure included two super-elevated curves Substructure included seven piers founded on 3.7 meter diameter caissons drilled to nine meters in competent rock Abutments encompassed 960 square meters of architecturally-finished reinforced earth retaining walls 7 pier superstructure consisted of 3,000 cubic meters of concrete 23,500 cubic meter rock embankment construction, as well as rock causeway to gain access to three river pier locations Biodegradable operating fluids used in lieu of hydraulic fluid for all equipment traveling on the causeway or near the river edge Upon completion and opening of the new structure, existing bridge demolition accomplished using controlled explosives PROJECT DETAILS: Project Owner: West Virginia Department of Transportation Location: US 340 over the Shenandoah River and CSX in Harpers Ferry National Historic Park Close
KEY CHALLENGES & PROJECT DETAILS Construction of two-lane, eight-span (elevated 60’), 432-meter (1440’) long bridge Heavily traveled US 340 corridor serving commercial, commuter, and recreational traffic, as well as Appalachian Trail hikers Environmental management a paramount concern Environmental response plan in place for the project’s duration Project completed with no environmental accidents – recreational activities safely maintained throughout project Superstructure included two super-elevated curves Substructure included seven piers founded on 3.7 meter diameter caissons drilled to nine meters in competent rock Abutments encompassed 960 square meters of architecturally-finished reinforced earth retaining walls 7 pier superstructure consisted of 3,000 cubic meters of concrete 23,500 cubic meter rock embankment construction, as well as rock causeway to gain access to three river pier locations Biodegradable operating fluids used in lieu of hydraulic fluid for all equipment traveling on the causeway or near the river edge Upon completion and opening of the new structure, existing bridge demolition accomplished using controlled explosives PROJECT DETAILS: Project Owner: West Virginia Department of Transportation Location: US 340 over the Shenandoah River and CSX in Harpers Ferry National Historic Park Close