Roseman Covered BridgeMs. McGrath

Location: Madison County, Iowa

• a truss beam bridge with a covering to help protect the truss and prevent extra weight, such as snow, from exerting pressure on the deck

A Truss Bridge• a pair of girders supporting a deck spanning the gap

between two piers• is lightweight but strong because of the open, triangular

beams along the sides

• usually deck of a truss bridge goes straight across the river, without support in the middle

• all beams in a truss bridge are straight• can support a large amount of weight and span great

distances• many different truss designs

History & Facts• Completed in 1883• Benton Jones, builder• 107 feet in length made

of wood• Renovated in 1992

with cost of $152,515• Known as “haunted”

bridge– Two sheriff’s posses

trapped a county jail escapee in 1892

Used in Robert James Waller's novel The Bridges of Madison

County and the movie

Sources

• http://www.matsuo-bridge.co.jp/english/bridges/basics/truss.shtm

• http://www.rockport.k12.ma.us/rms/oconnorbridges/introduction.html

• http://www.rosemanbridge.com• http://www.faculty.fairfield.edu/jmac/rs/bri

dges.htm