Hey Chris, I grew up in Riverside and that bridge is named after my grandfather! He was mayor of Riverside for 12 years in the 60s and 70s. He was also an artist/cartoonist (did old Woody Woodpecker cartoons for Walter Lantz) and also acted in old 1930s era Buck Rogers sci-fi movies. He was a fun guy who often entertained us kids with endless magic tricks. He died in 1985. Thanks for posting the pic, it brings back lots of fond memories, of him and climbing at Mt. Rubberducks, too.