187) is a roughly three–quarter loop state highway in Carroll County, Arkansas.

[2] The highway passes over the Beaver Bridge, a 1943 suspension bridge, and Beaver Dam, constructed in the 1960s to provide water and electricity for the Northwest Arkansas region.

The bridge is restricted to one–lane traffic with a 20,000 pounds (9,100 kg) weight limit and is listed on the National Register of Historic Places.

The routes form a 0.9 miles (1.4 km) concurrency through Busch, after which Highway 187 turns south.

[1] The route continues along Beaver Lake before turning east to terminate at US 62 near Eureka Springs.