AMP: 1
Location: Silver Valley Rd and Shields Gulch Rd, Osburn
The I-90 Business Spur begins here as we enter Osburn and old US-10 gets visibly nicer.
AMP: 0
Location: Mullan Ave and Fourth St, Osburn
A mile or so later, we’ll enter Osburn and prepare to turn to head up to I-90
AMP: 0
Location: Mullan Ave and Third St, Osburn
Turn right for Business Spur 90 (debatably erroneously signed as Business Loop 90) towards I-90.
AMP: 0
Location: Third St and I-90, Osburn
The business spur ends here. Follow I-90 east to Wallace and I-90 west to Kellogg and CDA
AMP: 0
Location: Third St and I-90, Osburn
Turn left for I-90 west to CDA. Stay straight for a forest service road along Two Mile Creek.
