Colorado Street Bridge

                                         Proposed National Historic Civil Engineering Landmark

John Alexander Lowe Waddell

January 15, 1854 - March 3, 1938




Bio by Frank Skinner, Consulting Engineer Bio by Richard G. Weingardt, P.E. Bio by John Lyle Harrington

DePontibus-Pocketbook for Bridge Engineers
447 pages
Bridge Engineering Vol I
1,206 pages
Bridge Engineering Vol II
1,083 pages

The Principal Professional Papers of Dr. J.A.L Waddell
Edited by John Lyle Harrington, Civil Engineer, 1905
971 pages
Memoirs and Addresses of Two Decades
by Dr. J.A.L. Waddell, Consulting Engineer, 1928
1,108 pages
The Halsted Street Lift-Bridge
By Frank Griggs, Jr., Dist. M.ASCE,
D.Eng., P.E., P.L.S.

Colorado Street Bridge Design Engineers