Philadelphia, Roosevelt Boulevard Bridge over Pennypack Creek (Pennsylvania, USA)
Pastoral, eh? Not so much now. Wikipedia includes this factoid about Roosevelt Blvd.: “Today, Roosevelt Boulevard is among the most congested arteries in the country. According to a report by State Farm Insurance, the second- and third-worst intersections in the country are both found on the Boulevard, at Red Lion Road and Grant Avenue, respectively,” Unmailed old linen card, with “1940s” written into the stamp area. Grade: 3