August 16, 2021: Looking straight ahead as the freeway bends, you can see the grading for the ramp from southbound I-380 to eastbound I-80. There’s also grading for the future ramp to westbound 80.
The I-80/I-380 interchange project has reached a big milestone: The final interior loop ramp from the original construction is shutting down.
According to an e-mail from the Iowa DOT, the new flyover ramp from southbound I-380 to eastbound I-80 will open Friday. The PDF is here, but its address indicates that it’s one that will change for other updates.
For now, the Exit 0B and 0A designations for the ramps to Des Moines and Iowa City remain intact, because there isn’t a unified exit point before a split. However, the Iowa City exit will now come before the Des Moines exit. The flyover ramp goes over I-80 but then under US 218 before merging with I-80 near the Clear Creek bridge. Here is a full diagram of the finished interchange.