This month’s Reader Photo Challenge assignment was “bridges.” Being situated in the California Delta, Central Valley residents know all too well the importance of bridges. Without them communities would be stranded from each other and cities would be split into sections by the network of rivers, canals and sloughs that are ubiquitous to the area. Bridges help to connect us to our neighbors and to each other. Eight readers sent in 31 photos. Here are some of the best examples.