Manilla railway underbridges

The Manilla railway underbridges are two heritage-listed railway bridges located on the Tamworth-Barraba railway line in the town of Manilla in the Tamworth Regional Council local government area of New South Wales, Australia. The underbridges are owned by RailCorp, an agency of the Government of New South Wales. The two sites were added to the New South Wales State Heritage Register on 2 April 1999.

Description
The badges includes two structures, the first a Howe timber truss railway underbridge located at Upper Manilla across the Borah Creek, situated 575 km from Sydney Central station, erected in 1908; and the second a Howe timber truss railway underbridge across the Oakey Creek, situated 539 km from Central station, also completed in 1908.

Heritage listing
The bridges were constructed in timber because of the remote location and constraints on cost, particularly related to branch line construction. They are two of the relatively few surviving timber bridges left in the State and are of considerable significance.

Manilla railway underbridges was listed on the New South Wales State Heritage Register on 2 April 1999 having satisfied the following criteria.

The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.

This item is assessed as historically rare. This item is assessed as scientifically rare. This item is assessed as archaeologically rare. This item is assessed as socially rare.