B. J. Carter

Mercer's Mill Covered Bridge 38-36-38 / 38-15-19 (Lancaster County, Pennsylvania)
Built 1880
Covered bridge over E Octoraro Creek on Creek Road
Open to traffic

Weaver's Mill Covered Bridge 38-36-02 (Lancaster County, Pennsylvania)
Built 1878
Covered bridge over Big Conestoga River on Weaverland Road (TR 773)
Open to traffic