mdeanstrauss: The Bridges of Madison County, Part 1 Roseman Bridge One of the last covered bridges b
mdeanstrauss: The Bridges of Madison County, Part 1 Roseman Bridge One of the last covered bridges built (1883) in Iowa… built with a structural redundancy so managed to withstand the years as opposed to the dozens of other bridges that rotted away… Carried traffic for well over 100 years…Why the cover over the bridge? To protect the load bearing part of the bridge from weathering! It is also suggested that the covering help relax horses as they pulled their conveyances across the rushing water below… -- source link