Three section 400 ft long bridge. Center span is 200 ft 7-panel Parker Through Truss (Masher Steel of Dallas Tx 1928 plaque). Approach sections are a heavy riveted 8-panel Warren Polygonal Pony Truss with verticals and outriggers and a heavy riveted 7-panel Parker pony truss
Length of largest span: 200.0 ft.
Total length: 400.0 ft.
Deck width: 14.0 ft.
UP - San Marcos Bridge
Approximate latitude, longitude
+29.88495, -97.90654(decimal degrees) 29°53'06" N, 97°54'24" W (degrees°minutes'seconds")