Markland Dam Bridge
Encyclopedia
The Markland Locks and Dam is a concrete dam bridge and locks that span the Ohio River
. It is 1395 feet (425.2 m) long, and connects Gallatin County, Kentucky
, and Switzerland County, Indiana
.
The locks and dam were reviewed by the Board of Engineers for River and Harbours to replace the Ohio River locks and dams Number 35, 36, 37, 38 and 39. Then the project was approved by the Secretary of the Army on March 11, 1953. Construction on the locks began in March 1956 and they were placed in operation in May 1959. The dam construction began in April 1959 and was finished in June 1964.
Federal Power Commission
granted a license for Cinergy
to operate a hydroelectric power plant at the dam. The plant has a capacity of 81,000 kVA
.
On September 27, 2009, the 1,200-foot lock failed and the gates "mismitered" due to a solenoid
malfunction. The lock was repaired and reopened on March 1, 2010. The 1,200-foot lock chamber remained closed for 155 days, but the 600-foot lock continued to lock traffic albeit with delays Corps
.
Ohio River
The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...
. It is 1395 feet (425.2 m) long, and connects Gallatin County, Kentucky
Gallatin County, Kentucky
Gallatin County is a county located in the U.S. state of Kentucky along the Ohio River, which at its formation was the main transportation route. It was formed in 1799. As of 2000, the population was 7,870. Its county seat is Warsaw...
, and Switzerland County, Indiana
Switzerland County, Indiana
Switzerland County is a county located in the U.S. state of Indiana. As of 2010, the population was 10,613. The county seat is Vevay.-History:Switzerland County was formed in 1814...
.
The locks and dam were reviewed by the Board of Engineers for River and Harbours to replace the Ohio River locks and dams Number 35, 36, 37, 38 and 39. Then the project was approved by the Secretary of the Army on March 11, 1953. Construction on the locks began in March 1956 and they were placed in operation in May 1959. The dam construction began in April 1959 and was finished in June 1964.
Federal Power Commission
Federal Power Commission
The Federal Power Commission was an independent commission of the United States government, originally organized on June 23, 1930, with five members nominated by the president and confirmed by the Senate...
granted a license for Cinergy
Cinergy
-History:Cinergy was created on October 24, 1994, from the merger of the Cincinnati Gas & Electric Company and Kentucky subsidiary Union Light, Heat & Power with Plainfield, Indiana–based PSI Energy ....
to operate a hydroelectric power plant at the dam. The plant has a capacity of 81,000 kVA
KVA
KVA may refer to:*Kavala International Airport "Alexander the Great", IATA airport code* kilovolt-ampere* Kungliga Vetenskapsakademien, the Royal Swedish Academy of Sciences* Kings View Academy, Private School...
.
On September 27, 2009, the 1,200-foot lock failed and the gates "mismitered" due to a solenoid
Solenoid
A solenoid is a coil wound into a tightly packed helix. In physics, the term solenoid refers to a long, thin loop of wire, often wrapped around a metallic core, which produces a magnetic field when an electric current is passed through it. Solenoids are important because they can create...
malfunction. The lock was repaired and reopened on March 1, 2010. The 1,200-foot lock chamber remained closed for 155 days, but the 600-foot lock continued to lock traffic albeit with delays Corps
Corps
A corps is either a large formation, or an administrative grouping of troops within an armed force with a common function such as Artillery or Signals representing an arm of service...
.