Missouri State Route 115 runs in North St. Louis along Natural Bridge Ave. This highway runs a few blocks south of Interstate 70. MO St Rt 115 is not multi-plexed in St. Louis. MO St Rt 115 intersects the following highway in St. Louis. Interstate 70, at St. Louis.
A BGS on WB I-70. A BGS on WB I-70. A guide marker on a frontage road along I-70. WB MO St Rt 115 west of Grand Blvd. WB MO St Rt 115 at Goodfellow Blvd.
