ST. LOUIS, Mo. (KMOX) – St. Louis area drivers will be facing another major road closure.

MoDOT will close all lanes of westbound Interstate 70 in downtown St. Louis between the Poplar Street Bridge and Pine Street beginning this Friday, January 31st, weather permitting. Eastbound I-70 will have one lane closed with full closures of eastbound 70 for up to 15 minutes.

MoDOT crews will be installing girders over the interstate for the new Walnut Street Bridge.

All lanes are projected to reopen by noon Saturday Feb. 1st.

The work is part of preparations for the CityArchRiver Park over the Highway project.