Several people here have talked about the bridge and "interchange" at> WI-33 and WI-175 (Original US-41). There are people here like Mr.> Bessert that can give you better history on it than I, but it is a neat> old bridge, at what was a very early incarnation of an interchange.>

If you look at the Terra-server image at http://tinyurl.com/­4weaj.> You'll see WI-175 going along the left side, and the access road on the> right. Both "ramps" are two-way feeders that connect to WI-33.>

Anyway, here is a pic of the bridge. I am on the NE corner of WI-33> and the access roads, facing West.>

http://www.w9jol.co­m/images/STH33W.jpg

If you look closely, the access road on the right had access to WI-33> at one time. It appears it was eliminated by the time the 1992 aerial> photo was taken.

I believe that was a 4 lane throughway where the> southbound went under and northbound went over. By the way that> overpass is one of the earliest grade separated interchanges in WI.

There were a couple more around that timeframe in the Milwaukee area> IIRC long before the I system existed.> Also that design looks somewhat similar to the overpasses on the PA> Turnpike also built around the same time frame(late 1930s).>

Kevin

Great photo! Thanks for sharing that great example of an early grade> separation.>

I'm not exactly certain when that setup was put into place, but I'm> pretty sure it was there by 1937, so at this time I'd say it dates to> the mid-1930s.>

Later,> Chris>

If you look at the Terra-server image at http://tinyurl.com/­4weaj.> You'll see WI-175 going along the left side, and the access road on> the right. Both "ramps" are two-way feeders that connect to WI-33.>

Anyway, here is a pic of the bridge. I am on the NE corner of WI-33> and the access roads, facing West.>

http://www.w9jol.co­m/images/STH33W.jpg