Minimum Bridge Railing Height

Minimum heights for most bridge railing types are documented in Appendix A, "Current Standard Bridge Railings in Texas" and Table 4-2. If the railing is not shown in this Manual, the minimum allowable height is as follows:
  • Traffic Railing
    • Low speed (less than 45 mph) – 27 inches
    • High speed, TL-3 - 29 inches
    • High speed, TL-4 - 36 inches
    • High speed, TL-5 - 42 inches
    • Combination and pedestrian railing – 42 inches.