1. History Of Covered Bridges
Bridges have come a long way since their early history. ... As a result, protection was added to the bridges. Wood trusses and joints were now protected as a result of the new type of bridge called the covered bridge. ... It is the longest covered bridge. ... It spans a total of 76 feet long and is the only bridge open to vehicles in Madison County of Iowa. ...
- Word Count: 632
- Approx Pages: 3
- Grade Level: High School