Uni-Directional Led Road Stud Rate For Bridge-LED Road Studs. Uni-Directional Led Road Stud Rate For Bridge Unit Price Averages Reports – Alberta 2016-12-16 · F169 Haul of Bridge Materials 1 $14,592 1 t.km $14,592.42 F500 Heavy Rock RipRap (Class 1) 8 $1,035,065 1,874 m3 $552.33 F515 Heavy Rock RipRap (Class 2) 1 $321,132 940 m3 $341.63 F525 Heavy Rock RipRap (Class 3) 2 $381,831 1,365 m3