The Trevorton Bridge was a wooden covered bridge

Covered bridge

A covered bridge is a bridge with enclosed sides and a roof, often accommodating only a single lane of traffic. Most covered bridges are wooden; some newer ones are concrete or metal with glass sides...

 that crossed the Susquehanna River

Susquehanna River

The Susquehanna River is a river located in the northeastern United States. At long, it is the longest river on the American east coast that drains into the Atlantic Ocean, and with its watershed it is the 16th largest river in the United States, and the longest river in the continental United...

. It was erected between Herndon, Pennsylvania

Herndon, Pennsylvania

Herndon, formerly Trevorton Junction, is a borough in Northumberland County, Pennsylvania, United States. Herndon was first founded by Robert A. Parrish in 1840. The town was later named for Naval commander William Lewis Herndon, who died in 1857 while trying to rescue passengers from his sinking...

 in Northumberland County

Northumberland County, Pennsylvania

There were 38,835 households out of which 27.30% had children under the age of 18 living with them, 52.40% were married couples living together, 9.60% had a female householder with no husband present, and 34.10% were non-families. 30.20% of all households were made up of individuals and 15.50% had...

 and Port Trevorton

Port Trevorton, Pennsylvania

Port Trevorton is a census-designated place in Snyder County, Pennsylvania, United States. The population was 451 at the 2000 census.-Geography:Port Trevorton is located at ....

 in Snyder County

Snyder County, Pennsylvania

Snyder County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 39,702. Snyder County was formed in 1855 from parts of Union County...

. The bridge was 3460 feet (1,054.6 m) long, with a 1400 feet (426.7 m) trestle leading up to it. It was originally built as a railroad bridge by the Trevorton and Susquehanna Railroad and, in 1885, the bridge was adapted for use as a road bridge as well as for trains. The bridge was most often used to cross the Susquehanna by cattle

Cattle

Cattle are the most common type of large domesticated ungulates. They are a prominent modern member of the subfamily Bovinae, are the most widespread species of the genus Bos, and are most commonly classified collectively as Bos primigenius...

. The continuous crossing of cattle endangered the already weakened bridge (weakened from acid

Acid

An acid is a substance which reacts with a base. Commonly, acids can be identified as tasting sour, reacting with metals such as calcium, and bases like sodium carbonate. Aqueous acids have a pH of less than 7, where an acid of lower pH is typically stronger, and turn blue litmus paper red...

in the bark the pine used to construct the bridge). The bridge was eventually dismantled for fear that it collapse.