Jack's Mill Covered Bridge, Spanning Henderson Creek, Oquawka, Henderson County, IL
Significance: This bridge is built entirely of wood, resting on stone abutments. It was built in 1844-45 by William Smith and is of the lattice truss type. The main members are of burr and white oak. Note: the lattice members being of black walnut. Tenon joints are used throughout with white oak pins 1 3/4 round, driven thru the connecting members. Originally the shingles and siding were of walnut.
Unprocessed Field note material exists for this structure: FN-53
Survey number: HABS IL-242
Building/structure dates: ca. 1856 Initial Construction
Building/structure dates: 1872 Subsequent Work
Building/structure dates: 1924 Subsequent Work
Building/structure dates: 1929 Subsequent Work