Description of the property
high-boarded, vertical siding, a shingle roof and straight portals with pier and northern pier sare concrete.
great advance in bridge engineering because it introduced the use of the a 2-span covered bridge, but the great flood of 1913 cut a new channel a- CONDITION roads and highway bridge builders.The Howe truss has wooden braces and Fair center pier were either washed out completely or so badly damaged, that tightened up by means of turnbuckles if necessary to straighten a sagging Making it the longest covered bridge in the state.These megsurements do The structure under consideration is a 2-span wooden truss covered bridge The Harpersfield Bridge is a 2-span Howe truss with a truss length of 236 truss.It is believed that at that time, the original north abutment and snows of 1962-63 collapsed the roof and the bridge was closed while a new when the steel span was built, entirely new concrete piers and abutment counterbraces in the shape of xts with the iron rods as the verticals.
iron rods for the first time in a bridge truss.These iron rods could be not inclgde the l42' steel truss span at the north end of the covered 6"rafters sheeted with "x 4' x 8' sheets of plywood and covered with all of untreated pine.The siding is l" pine boards.The roof is 2"x In November l963,all the siding was replaced with the 1"pine boards men- (Check One) anda clear span length of 230'.The total length of the bridge is 243' and is2"x 6"pine.The top chords are 2-4"x8"and1-l2"x8" and the X Good - Unexposed Original Site spanning the Grand River in Harpersfield Township, county road 154 at overhang. The south abutment 1s the original cut-stone, while the center patented in 1840 by William Howe of Spencer, Mass. The Howe truss was a tioned above.

















