When/where does track have ballast on bridge or trestle
9/3/2013#0183;#32;And there''s always inexplicable practices and results. Today''s Texas State Railroad had every ancient woodpile trestle replaced with UP standard design concrete ballasted deck trestles, all precast. And it''s basically a lightservice tourist railroad. But that was the applicable ''state standard'' they found, so that''s what was put in.