Orange & Alexandria Railroad

Reporting mark: O&A

Hooff's Run Bridge (Alexandria, Virginia)
Built 1856
Brick arch bridge over Hooff's Run on Jamieson Avenue
Open to traffic

The Orange Bridge (Lynchburg, Virginia)
Built 1861
Lost Warren through truss bridge over James River on O&ARR
Removed but not replaced

Wilkes Street Tunnel (Alexandria, Virginia)
Used heavily during the Civil War, refurbished by city in 2007-08
Open to pedestrians and bicyclists