SW Front Avenue looking north from SW Madison Street, 1944.

The Beebe Company on SW Front Avenue between SW Stark Street (SW Harvey Milk Street) and SW Alder Street, 1910. This image was originally posted back in 2010. There is some great information in the original post.
A truck hauling a 185-foot-long retort at NW 26th Avenue and NW Front Avenue, 1968.
An image from the SW Front Avenue (Naito Parkway) widening project, looking north toward Burnside Bridge, 1941.
An image from the SW Front Avenue (Naito Pkwy) widening project, 1941.