Iowa State Route 76 is a short north-south highway in Northeastern Clayton County. This is signed from the Allamakee/Clayton County Line to U.S. Rt. 18 at Marquette. South of U.S. Rt. 18, through Mc Gregor to U.S. Rt. 18 it is un-signed. IA St Rt 76 passes through the following towns in Clayton County. Marquette
Mc Gregor IA St Rt 76 is multi-plexed in Clayton County. BUSN U.S. Rt. 18, from Marquette to near Mc Gregor. IA St Rt 76 intersects the following highways in Clayton County. U.S. Rt. 18, at Marquette.
BUSN U.S. Rt. 18, at Marquette. U.S. Rt. 18, near Mc Gregor. BUSN U.S. Rt. 18, near Mc Gregor.
SB IA St Rt 76 south of the Allamakee/Clayton County Line.