We are working on getting the "official" Salmon River Mileage. That might take awhile. In the meantime, we have located the Idaho Dept. of Transportation (IDT) official Mileposts for both Highway 75 and US 93.
The links below were checked June 13 and are back in working order.
Click here for IDT's Highway 75 milepost list.
Click here for IDT's milepost list for US 93.