The Adams Mill Bridge was constructed with a Howe truss (arches were added later) by the Wheelock Bridge Co. in 1872. It crosses the North Fork of Wildcat Creek. It is 130 feet long and was completely restored in 1999 after having been closed for more than 20 years. It is now open to traffic.

Carroll County was established in 1828 and named in honor of Charles Carroll, a member of the Continental Congress and last surviving signer of the Declaration of Independence. The county is located in Central Northwestern Indiana and the County Seat is in Delphi.

Carroll County originally had twelve (12) known covered bridges. Today it has two (2) remaining.

Points of interest in the County include: The Wabash River and Lake Freeman.