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A simple lattice truss will transform the applied loads into a thrust, as the bridge will tend to change length under load. This is resisted by pinning the lattice members to the top and bottom chords, which are more substantial than the lattice members, but which may also be fabricated from relatively small elements rather than large beams.
The Fuller Covered Bridge is located on the north side of Montgomery village, on Fuller Bridge Road (a continuation of South Richford Road), just north of its junction with Black Falls Road. The bridge is a single-span Town lattice truss, 49.5 feet (15.1 m) long and 19.5 feet (5.9 m) wide, with a roadway width of 16 feet (4.9 m) (one lane).
The bridge consists of two spans, 64.1 feet and 81.10 feet, with a 3.2 feet gap between them. The combined trussed portions of the bridge are 149.1 feet long. The bridge's Town lattice is an unusual design choice, but the later addition of the queen trusses are also unusual, resulting in a unique visual appearance by the bridge's unequal spans.
The bridge is a single-span Town lattice truss structure, with a total length of 121 feet (37 m), and a width of 18.5 feet (5.6 m) and a roadway width of 15 feet (4.6 m), sufficient for one modern travel lane.
The bridge is a Town lattice truss structure, with a total span of 82 feet (25 m) and a total structure length of 87 feet (27 m). The trusses rest on stone abutments that have been reinforced with concrete, and the road bed (14 feet (4.3 m) wide, or one lane) has been reinforced with laminated beams.
The bridge was built in 1875, and is 85 feet 11 inches (26.2 m) in length. The Waterford Covered Bridge is one of two remaining covered bridges in Erie County, along with the Harrington Covered Bridge. The bridge is also the only Town lattice truss bridge in the county and one of only 19 in Pennsylvania.
The bridge is a single-span structure of Town lattice design, set on abutments of stone and concrete. It is 56.5 feet (17.2 m) long and 20.5 feet (6.2 m) wide, with a roadway width of 17.5 feet (5.3 m). Iron tie rods join the tops of the flanking trusses to provide lateral stability, and the bridge deck is made of wooden planking.
The Hectorville Covered Bridge consists of two Town lattice trusses, 52.5 feet (16.0 m) long, with a structure width of 19.5 feet (5.9 m) and a roadway width of 16 feet (4.9 m) (one lane). The bridge's exterior is clad in vertical board siding, and it is covered by a metal gable roof.