Lennox Bridge in Parramatta is a stone arch bridge

Arch bridge

An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side...

 that spans the Parramatta River

Parramatta River

The Parramatta River is a waterway in Sydney, New South Wales, Australia. The Parramatta River is the main tributary of Sydney Harbour, a branch of Port Jackson, along with the smaller Lane Cove and Duck Rivers....

, in Parramatta

Parramatta, New South Wales

Parramatta is a suburb of Sydney, in the state of New South Wales, Australia. It is located in Greater Western Sydney west of the Sydney central business district on the banks of the Parramatta River. Parramatta is the administrative seat of the Local Government Area of the City of Parramatta...

, Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It was designed by David Lennox

David Lennox

David Lennox was a Scottish-Australian bridge-builder and master stonemason born in Ayr, Scotland.-Personal details:...

 and constructed with convict labour over the period 1836 to 1839, making it one of the oldest bridges in Australia.

This was Lennox's third bridge, his first two being the Lennox Bridge

Lennox Bridge, Glenbrook

The Lennox Bridge is a stone arch bridge designed by David Lennox situated in Glenbrook, Australia. It is a single arch of 6m span and 9m above water level, with a road width of 9m...

 at Glenbrook, completed in 1833 making it the oldest bridge on the Australian mainland, and the Lansvale bridge, completed in 1836. The bridge carries Church Street, the main street of Parramatta.

Lennox bridge is on the site of the earliest documented crossing of the Parramatta River in the Parramatta area, dating from early colonial settlement. The current bridge is the third on, or adjacent to, the site.