Everyone differs on that one , but I'll go with 'span' .
A covered bridge is a timer-truss bridge. The bridge has a roof and siding which covers almost all parts of the bridge. Some famous covered bridges are the Buchfart bridge and the Hartland Bridge.
Forksville Covered Bridge was created in 1850.
Carmichaels Covered Bridge was created in 1889.
Barrackville Covered Bridge was created in 1853.
McAllister Covered Bridge was created in 1914.
Banks Covered Bridge was created in 1889.
Dellville Covered Bridge was created in 1889.
Rex Covered Bridge was created in 1858.
Kingsley Covered Bridge was created in 1836.
Adams Covered Bridge was created in 1875.
Mecca Covered Bridge was created in 1914.
Holliwell Covered Bridge was created in 1880.