Drainage Solutions for a Small, Soggy Front Yard

A 25x20 ft front yard has a 10x8 ft persistently wet area where nothing grows. Digging, compost, topsoil failed. Owner considers a 12 ft drain to the street.

The expert stresses the critical factor: slope. If slope exists, why isn't water draining now? Suggests the problem may be more complex than a simple trench can fix and recommends professional assessment.