Mike,
As of 2005 trackage on the funnel was as follows, from east to west with MP 0 at the former NP division point of Kootenai.
MP 2.9 ca. 1972 connection to former GN main line, trailing point westward.
MP 3.1 Sandpoint depot.
MP 0.0 to 5.0 East Algoma single track. Includes long bridge over Pend Orielle River.
MP 5.0 East Algoma to MP 14.1 West Algoma 2MT
MP 14.1 West Algoma to MP 16.5 Cocolalla Single track
MP 16.5 to MP 33.5 Athol 2MT with universal crossovers at CP 223 at MP 22.3.
MP 33.5 to MP 36.7 East Ramsey, Single track.
MP 36.7 to MP 38.8 West Ramsey, 2 MT.
MP 38.8 to MP 44.5 Rathdrum Single track.
MP 44.5 to MP 53.9 Otis Orchards 2MT. This segment includes Hauser Yard and Hauser fuel facility MP 45.6 to 49.9.
MP 53.9 to MP 63.0 Irvin single track.
MP 63.0 to MP 71.5 Spokane Depot 2MT. Includes Yardley Yard, Parkwater mechanical facilities, and Erie Street yards with old main between Yardley and Erie Street. Connection to former GN main line to Dean near east end of Erie Street.
2 MT track continues west of depot to single track Latah Creek bridge which connects with the former GN to Wenatchee and the former SP&S to Lakeside Jct (about 10 miles of SP&S). The NP and SP&S lines comprise 2MT, each on a separate right of way.
As to the UP, the local politicans want UP on BNSF through the Spokane Valley. I am unaware that the railroads have any interest in that, but since I do not live in the area I have no idea what anyone is up to. UP has rights on GN from near the east end of Erie Street Yard and over the former SP&S to their connection which is just east of Lakeside Jct.
Mac