I recently discovered a copy of the Sixth Annual Report of the Northern Central Railway Co. for the Year 1860. The Supervisor’s Report, dated January 1st, 1861, from the Road Department provides some ...

Black Bridge carries trains over the Codorus Creek as railroad traffic moves between York and Emigsville. This bridge is a prominent feature viewable from the new section of the rail trail, recently ...

truss — A framework of triangulated forms in which all loads are carried by compression or tension in each member of the frame. It is time for the fire service to make peace with an old nemesis: the ...

JEFFERSON, TX (KSLA) - There's a special place in Jefferson, Texas that currently holds a historic landmark. The Howe Truss Train Trestle Bridge is the last one of its kind. It was originally built in ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Division of Mechanical and Civil Engineering Bridges Reference Collection / Series 1: Bridges Collection items available for reproduction, but the Archives Center makes no guarantees concerning ...