Road Traffic Load Models
Assessment of existing bridges and road traffic loads

Bridges were designed through 2009 in accordance with the rules set forth in the former Fascicule 61, Title II, of the Cahier des prescriptions communes (CPC), which means that the vast majority of bridges in France were designed using these rules. Normal (non-accident-related) traffic loads comprised two different systems: System A and System B. System A was the primary load system.

• First, the text introduced the following definitions:

  • drivable width $L_{\text{R}}$  : width measured between...