This is not a streetlight, it's a utility pole (pretty sure it's only carrying electrical cables). It's badly leaning at the base, looks like damage due to water. Pole is leaning about 20 or 30 degrees from vertical and appears to be leaning into the trees overhead. The wires appear to be under tension and at least one of the ceramic insulators looks bent out of position.
A. The drainage ditch between Nason road and the baseball fields behind Swampscott Middle School. I believe it is behind the residence located at 92 Nason road.