Bridge Rail - Steel on Curb
A bridge rail runs along the edge of a bridge to enhance safety and prevent vehicles and pedestrians from falling off.
This type of bridge rail consists of a steel frame and rails with spacing in between, sitting on a concrete curb, allowing more visibility of the landscape.
Illustration: Bridge Rail - Steel on Curb
Photograph: Bridge Rail - Steel on Curb
A. Steel bridge rail
B. Concrete curb
C. Bridge slab
TxDOT Visual Dictionary