AMP: 0
Location: Diamond Match Rd and Riverside Rd, Superior
As S-257 begins, it immediately turns left.
AMP: 0
Location: Diamond Match Rd and Riverside Rd, Superior
As we head out of Superior, we’re advised that S-257 doesn’t connect back to the interstate.
AMP: 1
Location: Diamond Match Rd and Cedar Creek Rd, Mineral Cty
As S-257 bears away from the interstate, we get another handwritten sign advising us not to stay on this highway to get to I-90.
AMP: 5
Location: Diamond Match Rd and Trout Creek Rd, Mineral Cty
A couple miles later, pavement ends as we approach the National Forest.
AMP: 5
Location: Diamond Match Rd and Trout Creek Rd, Mineral Cty
S-257 ends with the pavement, as the road continues into the National Forest as NF-250.
E to I-90 Bus/S-507, W to MT-135
