The antonyms for "crossed the bridge" would be "avoided the bridge," "turned back before the bridge," "took a different route," "bypassed the bridge," and "never approached the bridge." These antonyms imply that the individual did not cross the bridge, whether it was due to fear, caution, or a conscious decision. In contrast, "crossed the bridge" tends to have positive connotations, suggesting the person overcame an obstacle or achieved a goal. However, not crossing the bridge may also have its benefits, such as avoiding danger or finding a more scenic route. Ultimately, it depends on the context and the individual's motivations.