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CSX - Thomas Viaduct

Photos 

Aerial View Looking Southeast

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #137334

Map 

Street Views 

Description 

The Thomas Viaduct was the first masonry arch bridge built on a curve and remains the largest of its type. Built by the Baltimore & Ohio it remains in use by B & O successor line CSX.

Facts 

Overview
Eight-span stone arch bridge over Patapsco River on the B&O Railroad between Relay and Elkridge
Location
Arbutus, Howard County, Maryland, and Baltimore County, Maryland
Status
Open to traffic
History
Built 1835
Builder
- Benjamin Henry Latrobe II of Philadelphia, Pennsylvania (Designer)
Railroads
- Baltimore & Ohio Railroad (B&O; BO)
- CSX Railroad (CSX)
Design
Stone arch
Dimensions
Total length: 612.0 ft.
Recognition
Posted to the National Register of Historic Places
Approximate latitude, longitude
+39.22192, -76.71317   (decimal degrees)
39°13'19" N, 76°42'47" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/352113/4342801 (zone/easting/northing)
Quadrangle map:
Relay
Inventory numbers
NRHP 66000388 (National Register of Historic Places reference number)
BH 42365 (Bridgehunter.com ID)

Update Log 

  • October 16, 2016: New photo from Dave King
  • March 17, 2016: New photo from Luke
  • April 16, 2015: New photos from David McCardell
  • September 29, 2014: New photos from Alexander D. Mitchell IV
  • May 26, 2014: Updated by Luke Harden: Added cities
  • September 26, 2012: New photos from Jann Mayer
  • August 17, 2012: Updated by Daniel Hopkins: Added category "Railroad"
  • October 2, 2010: Updated by Ed Hollowell: Added discription.
  • April 19, 2009: Posted HAER photos

Sources 

  • HAER MD-3 - Baltimore & Ohio Railroad, Thomas Viaduct, Spanning Patapsco River, Elkridge, Howard County, MD
  • Ed Hollowell - erhollowell [at] aol [dot] com
  • Wikipedia
  • Jann Mayer - jannmayer [at] gmail [dot] com
  • Luke
  • Alexander D. Mitchell IV
  • David McCardell - mccardelldavid [at] gmail [dot] com
  • Dave King - DKinghawkfan [at] hotmail [dot] com