Allegheny River Lock and Dam No. 9
National Register of Historic Places

Allegheny River Lock and Dam No. 9

Widnoon, Armstrong County, Pennsylvania
Listed
April 20, 2000
Type
Structure
Period
Pre Contact
Ref No.
00000403

About this property

Allegheny River Lock and Dam No. 9 is a historic lock and fixed-crest dam complex located at Madison Township and Washington Township in Armstrong County, Pennsylvania. It was built between 1935 and 1938 by the United States Army Corps of Engineers, and includes the lock, dam, steel miter gates, and Operations Building. The lock measures 56 feet by 360 feet, and has a lift of 22 feet. The dam measures approximately 60 feet high and 918 feet long. The Operations Building, or powerhouse, is a utilitarian two-story building in a vernacular early-20th century revival style. The lock and dam were built by the U.S. Army Corps of Engineers as a part of an extensive system of locks and dams to improve navigation along the Allegheny River. It was listed on the National Register of Historic Places in 2000.

Location

Widnoon, Armstrong County, Pennsylvania
40.95500, -79.54711

Categories

TRANSPORTATIONMARITIME HISTORYARCHITECTUREENGINEERING
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Nearby Historic Sites

Bradys Bend Iron Company Furnaces
Listed
5.1 mi
St. Stephen's Church
Industrial
5.1 mi
Allegheny River Lock and Dam No.8
Industrial
5.3 mi
St. Patrick's Roman Catholic Church
Industrial
7.9 mi
Bridge between Madison and Mahoning Townships
Industrial
8.5 mi

Questions about this property

When was Allegheny River Lock and Dam No. 9 listed on the National Register?

Allegheny River Lock and Dam No. 9 was listed on the National Register of Historic Places on April 20, 2000.

What type of historic resource is Allegheny River Lock and Dam No. 9?

Allegheny River Lock and Dam No. 9 is classified as a structure in the National Register of Historic Places.

What is the period of significance for Allegheny River Lock and Dam No. 9?

The period of significance for Allegheny River Lock and Dam No. 9 is recorded as the pre_contact era, specifically around 918.

Can I research the history near Allegheny River Lock and Dam No. 9?

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