Southern Pacific Railraod Bridge
Photo taken when the SP Railraw was still th eowner of this bridge.
Photo taken by Jolly Goodfellow
BH Photo #250097
These bridges were shown in the first part of the 1988 feature Halloween 4, with Michael Meyers' ambulance upside down in the Weber River below them.
Ooh, that's scary!
Oh, also it looks camelback Parker to me.