Orange Street Tunnel in Missoula, Listed!

In 2023, additional documentation regarding the history of the previously National Register-listed Orange Street Underpass was submitted to the National Register. The documentation acknowledges the Montana Department of Transportation’s reclassification of the steel stringer and steel girder underpass structure as a tunnel. The well-known structure with its Art deco flourishes supports two historic warehouses, West Railroad Street, North 1st Street West, and five sets of BNSF tracks.

MISSOULA COUNTY, Orange Street Tunnel, Orange St. between N. 2nd St. W., & W. Alder St., Missoula, AD12000172, ADDITIONAL DOCUMENTATION APPROVED, 11/22/2023 (Montana's Steel Stringer and Steel Girder Bridges MPS)