***New*** Fairfield County Covered Bridge Map (5 MB)
Ohio is second only to Pennsylvania for the state having the largest number of original covered bridges. Fairfield County, Ohio has the most in the state. The majority of Fairfield County's covered bridges were built ca 1871-1906. Original construction began in 1849.
The wooden bridges all have an underlying truss system which basically uses interlocking triangles of timber to support heavy loads across the span. Truss types that can be seen in Fairfield County include kingpost, multiple kingpost, queenpost, multiple queenpost, Howe and arches.