Structures Design Guidelines | Jan 2009
1 - General Requirements |

## 1.2 Deflection and Span-to-Depth Ratios [2.5.2.6] (07/07) 2007 July: Revised to allow criteria for deflection in lieu of Span-to-Depth Ratios except criteria for deflection is mandatory where traffic is expected to queue.

A. Satisfy either the Span-to-Depth Ratios in LRFD [2.5.2.6.3] or the criteria for deflection in LRFD [2.5.2.6.2] and [3.6.1.3.2].

B. For the design of bridges with pedestrian traffic or bridges where vehicular traffic is expected to queue, the criteria for deflection in LRFD [2.5.2.6.2] and [3.6.1.3.2] are mandatory.