MSD - Lower Meramec Tunnel
MSD - Lower Meramec Tunnel
MSD - Lower Meramec Tunnel
Montero provided project controls and stormwater compliance support on the Lower Meramec Tunnel in St. Louis, Missouri. The 6.8 mile long Metropolitan St. Louis Sewer District (MSD) sanitary sewer tunnel became the longest tunnel in Missouri when it entered into operation in 2025.
Plaquemines Parish LNG
MSD - Lower Meramec Tunnel
MSD - Lower Meramec Tunnel
Montero provided project management and project controls support on a multi-billion-dollar liquid natural gas (LNG) terminal project in Plaquemines Parish, Louisiana.
MODOT – I55
MSD - Lower Meramec Tunnel
Various Missouri Mines
Montero provided project controls support on the Missouri Department of Transportation (MODOT) Interstate-55 widening project
located in St. Louis and Jefferson counties.
Various Missouri Mines
MSD – Various Sewer Utility Projects
Various Missouri Mines
Montero provided engineering and permitting compliance support on various limestone and metal mines in the Midwest.
MSD – Various Sewer Utility Projects
MSD – Various Sewer Utility Projects
MSD – Various Sewer Utility Projects
Montero is currently providing civil construction on various sewer utility projects in the St. Louis Region.