The Allenwood River Bridge is a historic bridge in Gregg Township

Gregg Township, Union County, Pennsylvania

Gregg Township is a township in Union County, Pennsylvania, United States. The population was 4,687 at the 2000 census, .-History:Gregg Township, named for U.S...

, Union County, Pennsylvania

Union County, Pennsylvania

-Demographics:As of the census of 2000, there were 41,624 people, 13,178 households, and 9,211 families residing in the county. The population density was 131 people per square mile . There were 14,684 housing units at an average density of 46 per square mile...

. The two-lane, five-span, pin-connected Pratt through truss bridge carries PA Route 44 over 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...

. The bridge is one of the oldest and longest spans crossing that river. Its builder, in 1895, was the Groton Bridge and Manufacturing Company, a nationally prominent bridge manufacturer from 1877 through 1920.

It was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

 in 1988.

External links

• Listing and photographs at the Historic American Engineering Record