This is not a public street. It is part of a manufacturing complex and is gated off.

Missing railway tunnel through building

Unable to answer "What number or code identifies this stop?" for node/1819864834 via StreetComplete 53.3:

Am no brain cell

Map is wrong and missing train crossing.

Car navigation keeps warning me about a railroad crossing here, but there isn't one.

Todo: survey stream, confirm direction.

No public access. Photo facing ne

via StreetComplete 61.3

Attached photo(s):
https://streetcomplete.app/p/302739.jpg

onosm.org submitted note from a business:
Name: Billy Jay Fisher
addr:housenumber=9510
addr:street=Derby Drive
addr:city=Missoula
addr:postcode=59808
Phone number: 4065417171
Website: www.grizzlydisposal.com
Opening Hours: M-Fr 8am to 5pm
Wheelchair accessibility: yes
Category: Utilities
Description: Disposal Company
Accepted payment methods:
takeaway=no

Trail continues west, however I haven't yet had a chance to follow it further

Unable to answer "What surface does this path have here?" for way/889699094 via StreetComplete 31.0:

Some kind of slightly bouncy playground surface. Plastic, I think.