Glacier National Park, Montana

Baring Creek Bridge (Glacier County, Montana)
Built 1931
Concrete and stone arch bridge over Baring Creek on the Going-to-the-Sun Road
Open to traffic

Logan Creek Bridge (Flathead County, Montana)
Built 1926-27
Two-span stone and concrete arch bridge over Logan Creek on Going-To-The-Sun Road
Open to traffic

Old River Bridge (Flathead County, Montana)
Open-spandrel arch bridge over Middle Fork Flathead River on Old River Bridge Road
Open to traffic

Ptarmigan Tunnel (Glacier County, Montana)
Built 1930
Tunnel under Ptarmigan Wall on Hiking Trail
Open to pedestrians only

St. Mary River Bridge (Glacier County, Montana)
Built 1934
Three-span concrete arch bridge over St. Mary River on Going-To-The-Sun Road
Open to traffic