The I-494 Interchange bridge is located on the entrance and exit ramps
that connect between Minnetonka Boulevard and northbound Interstate highway
I-494. This bridge is the easternmost of 4 bridges over the Minnehaha Creek
at this interchange. The bridge is a concrete culvert that that has two
11-foot wide passages. It was built in 1965 when the freeway was constructed,
and was poured in place (as opposed to being prefabricated).
Minnehaha Creek used to follow a channel located several hundred feet north
of this location. The creek channel was diverted to the south and the
wetlands area was filled in then the Interstate was constructed.
The photo above is looking northeast towards the bridge. It is not readily
apparent that there is a bridge when viewed from the traffic lanes, nor is
it apparent that this road is crossing the famous Minnehaha Creek. The
closer traffic lane is the northbound exit from I-494, while the traffic lane
on the far side of the bridge is the entrance to northbound I-494.
The photo above is the west side of the I-494 Interchange bridge. The photo
below is the downstream east side of the structure. Both photos were taken
from the south shore of Minnehaha Creek. Note that this bridge has no
railings or guard rails, and that the roadway is built up about a dozen feet
above the bridge deck.