What is "overspan"

Usage examples of "overspan".

Tirkenson grunted, his big, grimy hand gesturing toward the narrow fortification that overspanned the court gate.

Thence it would pass under the bridge which overspanned, as we have seen, an island called above bridge Motte-Saint-Antoine and below, Motte-des-Poissonniers.

Toward the cool of the day and just as she had pulled the ponies down to a walk in a long, deserted avenue overspanned with elms and great cottonwoods she was all at once aware of an open carriage that had turned into the far end of the same avenue approaching at an easy trot.