COVΞRΞD BRIDGΞ The grate glistening from the damp air from the river rushing underneath the bridge adds depth to the amber hues set off from the lights from within. The covered bridge has massive wooden support beams to withstand the one lane traffic as it passes through. Location: Greenup, IL, USA The Longest Covered Bridge In Illinois, Cumberland County Covered Bridge, Is 200 Feet Long. The bridge's width expands 14.1-feet and it has a vertical clearance of 16-feet. In 1865, the original was washed out and reconstructed in 1875 only to be washed out another time in 1912. In 1920, the bridge was replaced once more and held out until 1996, when (as you may have already guessed), it was wiped out yet again. In 2000, the Cumberland County Covered Bridge, as it is now known, was built to replicate the original version from 1832. The original was of wooden construction built in 1832 by Abe and Thomas Lincoln and Dennis Hanks.