I don't think so. The trestle in Trainnews looks like the one that crossed Tiburon Blvd. near Trestle Glen Blvd. (hint hint?). Just about here: [www.google.com] Look at the property boundaries on the map and compare to the satellite - much of the r/w is still there twisting through the housing tracts. I took a b/w pic of the trestle from Tiburon Blvd. in the 1960s, shortly before the Tiburon line was finally torn out.

The Dirty Harry trestle crossed Sir Francis Drake Blvd near the current GG Larkspur Ferry Terminal. The quarry in the movie long ago became shopping and condos, just east of there on the north side of SFD Blvd.