How can you determine the weight limit for a bridge?

To determine the weight limit for a bridge, referring to the posted weight limit signs is the most reliable and direct method. These signs are placed strategically to inform drivers of the maximum weight that the bridge can safely support. This information is based on engineering assessments and safety calculations conducted during the bridge's design and inspection processes.

The posted signs are legally binding and must be adhered to, ensuring the safety of all vehicles crossing the bridge. They provide immediate guidance to truck drivers and heavy vehicles, helping to prevent structural strains that could lead to accidents or bridge failure.

While asking a police officer might provide some information, it isn't a formal or guaranteed source of accurate weight limits, and responses may vary based on individual knowledge. The color of the bridge and its age can offer some context about its construction or materials, but do not inform the weight capacity directly, as these factors don't necessarily indicate how much weight the bridge can support safely.